NCERT MATH 10 Ex - 4.2

प्रश्नावली - 4.2

प्रत्येक प्रश्न के उत्तर के लिए प्रश्नों पर क्लिक करें/

प्रश्न 1-

गुणनखंड विधि से निम्न द्विघात समीकरणों के मूल ज्ञात कीजिए:
$(i) x2 – 3X – 10 = 0 (ii) 2x2 + x - 6 = 0 (iii)√2x2 + 7x + 5√2 = 0 (iv) 2x2 - x + 1/8 = 0 (v) 100x2 - 20x + 1 = 0 ax2 + bx + c = 0 dwighat samikaran, dwighat samikaran formula, dighat samikaran, dwighat samikaran questions, dighat samikaran class 10th, द्विघात समीकरण, dighat bahupaddighat, samikaran in English, dvighati sutra, dwighat, ax2 + bx + c = 0, द्विघात समीकरण उदाहरण, द्विघात समीकरण pdf, द्विघात समीकरण प्रश्न, द्विघात समीकरण in hindi, द्विघात समीकरण के सवाल, द्विघात समीकरण क्लास 10th, द्विघात समीकरण सूत्र pdf, द्विघात समीकरण के मूल ज्ञात करना, द्विघात समीकरण in English, NCERT Solutions for Mathematics Class 10th, UP Board कक्षा 10 गणित, rkmsb.blogspot.com, NCERT10, class10, कक्षा 10, #rkmschannel, #NCERT10, ranjeet kumar, ranjeetsir, द्विघात समीकरण के मूलों की प्रकृति, द्विघात समीकरण के मूलों की प्रकृति ज्ञात कीजिए, द्विघात समीकरण के मूल ज्ञात करना, द्विघात समीकरण के मूलों की प्रकृति, द्विघात समीकरण के मूल, द्विघात समीकरण के मूल होते हैं, द्विघात समीकरण के बारे में, द्विघात समीकरण मैथ, द्विघात समीकरणों के मूल, samikaran ke mool, roots of the equation, roots of the quadratic equation, roots of the throne, roots of the cubic equation, roots of the plant, roots of the equation formula, roots of the tree, roots of the polynomial, roots of the plant we eat, roots of the hair, Quadratic Equations, quadratic equation formula, quadratic equations questions, quadratic equations for bank po, quadratic equations class 10, quadratic equations pdf, quadratic equation, quadratic equations examples, quadratic equations solver, quadratic equations solutions, quadratic equation in hindi, quadratic equation calculator, quadratic equation questions pdf, What are the 4 ways to solve a quadratic equation?, How do I solve quadratic equations?, Which is the quadratic formula?, What is the easiest way to solve a quadratic equation?, What are 3 ways to solve a quadratic equation?, What are the ways to solve a quadratic equation?, How do you solve a quadratic equation using the quadratic formula?, What are the steps in solving quadratic equation?, Why is the quadratic formula?, Who proved the quadratic formula?, How do you find quadratic equation?, How do you solve quadratic equations with fractions?, What is the easiest way to find the roots of a quadratic equation?, When can you use the root method to solve a quadratic equation?, What are the four methods of factoring?, What are the types of quadratic equations?, How do you solve quadratic equations by taking square roots?, How do you solve quadratic equations by factoring?, What is Formula method?, How do you simplify quadratic equations?, How do you solve quadratic equations on a calculator?, When should you use the quadratic formula?, What is Dharacharya formula?,$
द्विघात समीकरणों के मूल

प्रश्न 2-
उदाहरण 1 में दी गई समस्याओं को हल कीजिए/
समस्या 2(i) :
$जॉन और जीवंती दोनों के पास कुल मिलाकर 45 कंचे हैं/ दोनों पाँच – पाँच कंचे खो देते हैं और अब उनके पास कंचों की संख्या का गुणनफल 124 है/ हम जानना चाहेंगे कि आरम्भ में उनके पास कितने कंचे थे/ (ii) एक कुटीर उद्योग एक दिन में कुछ खिलौने निर्मित करता है/ प्रत्येक खिलौने का मूल्य (रुपयों में ) 55 में से एक दिन में निर्माण किए गए खिलौने की संख्या को घटाने से प्राप्त संख्या के बराबर है/ किसी एक दिन, कुल निर्माण लागत Rs. 750 थी/ हम उस दिन निर्माण किए गए खिलौनों की संख्या ज्ञात करना चाहेंगे/ ax2 + bx + c = 0 dwighat samikaran, dwighat samikaran formula, dighat samikaran, dwighat samikaran questions, dighat samikaran class 10th, द्विघात समीकरण, dighat bahupaddighat, samikaran in English, dvighati sutra, dwighat, ax2 + bx + c = 0, द्विघात समीकरण उदाहरण, द्विघात समीकरण pdf, द्विघात समीकरण प्रश्न, द्विघात समीकरण in hindi, द्विघात समीकरण के सवाल, द्विघात समीकरण क्लास 10th, द्विघात समीकरण सूत्र pdf, द्विघात समीकरण के मूल ज्ञात करना, द्विघात समीकरण in English, NCERT Solutions for Mathematics Class 10th, UP Board कक्षा 10 गणित, rkmsb.blogspot.com, NCERT10, class10, कक्षा 10, #rkmschannel, #NCERT10, ranjeet kumar, ranjeetsir, द्विघात समीकरण के मूलों की प्रकृति, द्विघात समीकरण के मूलों की प्रकृति ज्ञात कीजिए, द्विघात समीकरण के मूल ज्ञात करना, द्विघात समीकरण के मूलों की प्रकृति, द्विघात समीकरण के मूल, द्विघात समीकरण के मूल होते हैं, द्विघात समीकरण के बारे में, द्विघात समीकरण मैथ, द्विघात समीकरणों के मूल, samikaran ke mool, roots of the equation, roots of the quadratic equation, roots of the throne, roots of the cubic equation, roots of the plant, roots of the equation formula, roots of the tree, roots of the polynomial, roots of the plant we eat, roots of the hair, Quadratic Equations, quadratic equation formula, quadratic equations questions, quadratic equations for bank po, quadratic equations class 10, quadratic equations pdf, quadratic equation, quadratic equations examples, quadratic equations solver, quadratic equations solutions, quadratic equation in hindi, quadratic equation calculator, quadratic equation questions pdf, What are the 4 ways to solve a quadratic equation?, How do I solve quadratic equations?, Which is the quadratic formula?, What is the easiest way to solve a quadratic equation?, What are 3 ways to solve a quadratic equation?, What are the ways to solve a quadratic equation?, How do you solve a quadratic equation using the quadratic formula?, What are the steps in solving quadratic equation?, Why is the quadratic formula?, Who proved the quadratic formula?, How do you find quadratic equation?, How do you solve quadratic equations with fractions?, What is the easiest way to find the roots of a quadratic equation?, When can you use the root method to solve a quadratic equation?, What are the four methods of factoring?, What are the types of quadratic equations?, How do you solve quadratic equations by taking square roots?, How do you solve quadratic equations by factoring?, What is Formula method?, How do you simplify quadratic equations?, How do you solve quadratic equations on a calculator?, When should you use the quadratic formula?, What is Dharacharya formula?,$
द्विघात समीकरणों के मूल
समस्या 2(ii) :
$एक कुटीर उद्योग एक दिन में कुछ खिलौने निर्मित करता है/ प्रत्येक खिलौने का मूल्य (रुपयों में ) 55 में से एक दिन में निर्माण किए गए खिलौने की संख्या को घटाने से प्राप्त संख्या के बराबर है/ किसी एक दिन, कुल निर्माण लागत Rs. 750 थी/ हम उस दिन निर्माण किए गए खिलौनों की संख्या ज्ञात करना चाहेंगे/ ax2 + bx + c = 0 dwighat samikaran, dwighat samikaran formula, dighat samikaran, dwighat samikaran questions, dighat samikaran class 10th, द्विघात समीकरण, dighat bahupaddighat, samikaran in English, dvighati sutra, dwighat, ax2 + bx + c = 0, द्विघात समीकरण उदाहरण, द्विघात समीकरण pdf, द्विघात समीकरण प्रश्न, द्विघात समीकरण in hindi, द्विघात समीकरण के सवाल, द्विघात समीकरण क्लास 10th, द्विघात समीकरण सूत्र pdf, द्विघात समीकरण के मूल ज्ञात करना, द्विघात समीकरण in English, NCERT Solutions for Mathematics Class 10th, UP Board कक्षा 10 गणित, rkmsb.blogspot.com, NCERT10, class10, कक्षा 10, #rkmschannel, #NCERT10, ranjeet kumar, ranjeetsir, द्विघात समीकरण के मूलों की प्रकृति, द्विघात समीकरण के मूलों की प्रकृति ज्ञात कीजिए, द्विघात समीकरण के मूल ज्ञात करना, द्विघात समीकरण के मूलों की प्रकृति, द्विघात समीकरण के मूल, द्विघात समीकरण के मूल होते हैं, द्विघात समीकरण के बारे में, द्विघात समीकरण मैथ, द्विघात समीकरणों के मूल, samikaran ke mool, roots of the equation, roots of the quadratic equation, roots of the throne, roots of the cubic equation, roots of the plant, roots of the equation formula, roots of the tree, roots of the polynomial, roots of the plant we eat, roots of the hair, Quadratic Equations, quadratic equation formula, quadratic equations questions, quadratic equations for bank po, quadratic equations class 10, quadratic equations pdf, quadratic equation, quadratic equations examples, quadratic equations solver, quadratic equations solutions, quadratic equation in hindi, quadratic equation calculator, quadratic equation questions pdf, What are the 4 ways to solve a quadratic equation?, How do I solve quadratic equations?, Which is the quadratic formula?, What is the easiest way to solve a quadratic equation?, What are 3 ways to solve a quadratic equation?, What are the ways to solve a quadratic equation?, How do you solve a quadratic equation using the quadratic formula?, What are the steps in solving quadratic equation?, Why is the quadratic formula?, Who proved the quadratic formula?, How do you find quadratic equation?, How do you solve quadratic equations with fractions?, What is the easiest way to find the roots of a quadratic equation?, When can you use the root method to solve a quadratic equation?, What are the four methods of factoring?, What are the types of quadratic equations?, How do you solve quadratic equations by taking square roots?, How do you solve quadratic equations by factoring?, What is Formula method?, How do you simplify quadratic equations?, How do you solve quadratic equations on a calculator?, When should you use the quadratic formula?, What is Dharacharya formula?,$
द्विघात समीकरणों के मूल

प्रश्न 3-
$ऐसी दो संख्याएँ ज्ञात कीजिए, जिनका योग 27 हो और गुणनफल 182 हो/ ax2 + bx + c = 0 dwighat samikaran, dwighat samikaran formula, dighat samikaran, dwighat samikaran questions, dighat samikaran class 10th, द्विघात समीकरण, dighat bahupaddighat, samikaran in English, dvighati sutra, dwighat, ax2 + bx + c = 0, द्विघात समीकरण उदाहरण, द्विघात समीकरण pdf, द्विघात समीकरण प्रश्न, द्विघात समीकरण in hindi, द्विघात समीकरण के सवाल, द्विघात समीकरण क्लास 10th, द्विघात समीकरण सूत्र pdf, द्विघात समीकरण के मूल ज्ञात करना, द्विघात समीकरण in English, NCERT Solutions for Mathematics Class 10th, UP Board कक्षा 10 गणित, rkmsb.blogspot.com, NCERT10, class10, कक्षा 10, #rkmschannel, #NCERT10, ranjeet kumar, ranjeetsir, द्विघात समीकरण के मूलों की प्रकृति, द्विघात समीकरण के मूलों की प्रकृति ज्ञात कीजिए, द्विघात समीकरण के मूल ज्ञात करना, द्विघात समीकरण के मूलों की प्रकृति, द्विघात समीकरण के मूल, द्विघात समीकरण के मूल होते हैं, द्विघात समीकरण के बारे में, द्विघात समीकरण मैथ, द्विघात समीकरणों के मूल, samikaran ke mool, roots of the equation, roots of the quadratic equation, roots of the throne, roots of the cubic equation, roots of the plant, roots of the equation formula, roots of the tree, roots of the polynomial, roots of the plant we eat, roots of the hair, Quadratic Equations, quadratic equation formula, quadratic equations questions, quadratic equations for bank po, quadratic equations class 10, quadratic equations pdf, quadratic equation, quadratic equations examples, quadratic equations solver, quadratic equations solutions, quadratic equation in hindi, quadratic equation calculator, quadratic equation questions pdf, What are the 4 ways to solve a quadratic equation?, How do I solve quadratic equations?, Which is the quadratic formula?, What is the easiest way to solve a quadratic equation?, What are 3 ways to solve a quadratic equation?, What are the ways to solve a quadratic equation?, How do you solve a quadratic equation using the quadratic formula?, What are the steps in solving quadratic equation?, Why is the quadratic formula?, Who proved the quadratic formula?, How do you find quadratic equation?, How do you solve quadratic equations with fractions?, What is the easiest way to find the roots of a quadratic equation?, When can you use the root method to solve a quadratic equation?, What are the four methods of factoring?, What are the types of quadratic equations?, How do you solve quadratic equations by taking square roots?, How do you solve quadratic equations by factoring?, What is Formula method?, How do you simplify quadratic equations?, How do you solve quadratic equations on a calculator?, When should you use the quadratic formula?, What is Dharacharya formula?,$
द्विघात समीकरणों के मूल

प्रश्न 4-
$दो क्रमागत धनात्मक पूर्णांक ज्ञात कीजिए जिनके वर्गों का योग 365 हो/ ax2 + bx + c = 0 dwighat samikaran, dwighat samikaran formula, dighat samikaran, dwighat samikaran questions, dighat samikaran class 10th, द्विघात समीकरण, dighat bahupaddighat, samikaran in English, dvighati sutra, dwighat, ax2 + bx + c = 0, द्विघात समीकरण उदाहरण, द्विघात समीकरण pdf, द्विघात समीकरण प्रश्न, द्विघात समीकरण in hindi, द्विघात समीकरण के सवाल, द्विघात समीकरण क्लास 10th, द्विघात समीकरण सूत्र pdf, द्विघात समीकरण के मूल ज्ञात करना, द्विघात समीकरण in English, NCERT Solutions for Mathematics Class 10th, UP Board कक्षा 10 गणित, rkmsb.blogspot.com, NCERT10, class10, कक्षा 10, #rkmschannel, #NCERT10, ranjeet kumar, ranjeetsir, द्विघात समीकरण के मूलों की प्रकृति, द्विघात समीकरण के मूलों की प्रकृति ज्ञात कीजिए, द्विघात समीकरण के मूल ज्ञात करना, द्विघात समीकरण के मूलों की प्रकृति, द्विघात समीकरण के मूल, द्विघात समीकरण के मूल होते हैं, द्विघात समीकरण के बारे में, द्विघात समीकरण मैथ, द्विघात समीकरणों के मूल, samikaran ke mool, roots of the equation, roots of the quadratic equation, roots of the throne, roots of the cubic equation, roots of the plant, roots of the equation formula, roots of the tree, roots of the polynomial, roots of the plant we eat, roots of the hair, Quadratic Equations, quadratic equation formula, quadratic equations questions, quadratic equations for bank po, quadratic equations class 10, quadratic equations pdf, quadratic equation, quadratic equations examples, quadratic equations solver, quadratic equations solutions, quadratic equation in hindi, quadratic equation calculator, quadratic equation questions pdf, What are the 4 ways to solve a quadratic equation?, How do I solve quadratic equations?, Which is the quadratic formula?, What is the easiest way to solve a quadratic equation?, What are 3 ways to solve a quadratic equation?, What are the ways to solve a quadratic equation?, How do you solve a quadratic equation using the quadratic formula?, What are the steps in solving quadratic equation?, Why is the quadratic formula?, Who proved the quadratic formula?, How do you find quadratic equation?, How do you solve quadratic equations with fractions?, What is the easiest way to find the roots of a quadratic equation?, When can you use the root method to solve a quadratic equation?, What are the four methods of factoring?, What are the types of quadratic equations?, How do you solve quadratic equations by taking square roots?, How do you solve quadratic equations by factoring?, What is Formula method?, How do you simplify quadratic equations?, How do you solve quadratic equations on a calculator?, When should you use the quadratic formula?, What is Dharacharya formula?,$
द्विघात समीकरण

प्रश्न 5-
$एक समकोण त्रिभुज की ऊँचाई इसके आधार से 7cm कम है/ यदि कर्ण 13 cm का हो, तो अन्य दो भुजाएँ ज्ञात कीजिए/ ax2 + bx + c = 0 dwighat samikaran, dwighat samikaran formula, dighat samikaran, dwighat samikaran questions, dighat samikaran class 10th, द्विघात समीकरण, dighat bahupaddighat, samikaran in English, dvighati sutra, dwighat, ax2 + bx + c = 0, द्विघात समीकरण उदाहरण, द्विघात समीकरण pdf, द्विघात समीकरण प्रश्न, द्विघात समीकरण in hindi, द्विघात समीकरण के सवाल, द्विघात समीकरण क्लास 10th, द्विघात समीकरण सूत्र pdf, द्विघात समीकरण के मूल ज्ञात करना, द्विघात समीकरण in English, NCERT Solutions for Mathematics Class 10th, UP Board कक्षा 10 गणित, rkmsb.blogspot.com, NCERT10, class10, कक्षा 10, #rkmschannel, #NCERT10, ranjeet kumar, ranjeetsir, द्विघात समीकरण के मूलों की प्रकृति, द्विघात समीकरण के मूलों की प्रकृति ज्ञात कीजिए, द्विघात समीकरण के मूल ज्ञात करना, द्विघात समीकरण के मूलों की प्रकृति, द्विघात समीकरण के मूल, द्विघात समीकरण के मूल होते हैं, द्विघात समीकरण के बारे में, द्विघात समीकरण मैथ, द्विघात समीकरणों के मूल, samikaran ke mool, roots of the equation, roots of the quadratic equation, roots of the throne, roots of the cubic equation, roots of the plant, roots of the equation formula, roots of the tree, roots of the polynomial, roots of the plant we eat, roots of the hair, Quadratic Equations, quadratic equation formula, quadratic equations questions, quadratic equations for bank po, quadratic equations class 10, quadratic equations pdf, quadratic equation, quadratic equations examples, quadratic equations solver, quadratic equations solutions, quadratic equation in hindi, quadratic equation calculator, quadratic equation questions pdf, What are the 4 ways to solve a quadratic equation?, How do I solve quadratic equations?, Which is the quadratic formula?, What is the easiest way to solve a quadratic equation?, What are 3 ways to solve a quadratic equation?, What are the ways to solve a quadratic equation?, How do you solve a quadratic equation using the quadratic formula?, What are the steps in solving quadratic equation?, Why is the quadratic formula?, Who proved the quadratic formula?, How do you find quadratic equation?, How do you solve quadratic equations with fractions?, What is the easiest way to find the roots of a quadratic equation?, When can you use the root method to solve a quadratic equation?, What are the four methods of factoring?, What are the types of quadratic equations?, How do you solve quadratic equations by taking square roots?, How do you solve quadratic equations by factoring?, What is Formula method?, How do you simplify quadratic equations?, How do you solve quadratic equations on a calculator?, When should you use the quadratic formula?, What is Dharacharya formula?,$
द्विघात समीकरण

प्रश्न 6-
$एक कुटीर उद्योग एक दिन में कुछ बर्तनों का निर्माण करता है/ एक विशेष दिन यह देखा गया कि प्रत्येक नग की निर्माण लागत (Rs.में ) उस दिन के निर्माण किए बर्तनों की संख्या के दुगुने से 3 अधिक थी/ यदि उस दिन की कुल निर्माण लागत Rs. 90 थी, तो निर्मित बर्तनों की संख्या और प्रत्येक नग की लागत ज्ञात कीजिए/ ax2 + bx + c = 0 dwighat samikaran, dwighat samikaran formula, dighat samikaran, dwighat samikaran questions, dighat samikaran class 10th, द्विघात समीकरण, dighat bahupaddighat, samikaran in English, dvighati sutra, dwighat, ax2 + bx + c = 0, द्विघात समीकरण उदाहरण, द्विघात समीकरण pdf, द्विघात समीकरण प्रश्न, द्विघात समीकरण in hindi, द्विघात समीकरण के सवाल, द्विघात समीकरण क्लास 10th, द्विघात समीकरण सूत्र pdf, द्विघात समीकरण के मूल ज्ञात करना, द्विघात समीकरण in English, NCERT Solutions for Mathematics Class 10th, UP Board कक्षा 10 गणित, rkmsb.blogspot.com, NCERT10, class10, कक्षा 10, #rkmschannel, #NCERT10, ranjeet kumar, ranjeetsir, द्विघात समीकरण के मूलों की प्रकृति, द्विघात समीकरण के मूलों की प्रकृति ज्ञात कीजिए, द्विघात समीकरण के मूल ज्ञात करना, द्विघात समीकरण के मूलों की प्रकृति, द्विघात समीकरण के मूल, द्विघात समीकरण के मूल होते हैं, द्विघात समीकरण के बारे में, द्विघात समीकरण मैथ, द्विघात समीकरणों के मूल, samikaran ke mool, roots of the equation, roots of the quadratic equation, roots of the throne, roots of the cubic equation, roots of the plant, roots of the equation formula, roots of the tree, roots of the polynomial, roots of the plant we eat, roots of the hair, Quadratic Equations, quadratic equation formula, quadratic equations questions, quadratic equations for bank po, quadratic equations class 10, quadratic equations pdf, quadratic equation, quadratic equations examples, quadratic equations solver, quadratic equations solutions, quadratic equation in hindi, quadratic equation calculator, quadratic equation questions pdf, What are the 4 ways to solve a quadratic equation?, How do I solve quadratic equations?, Which is the quadratic formula?, What is the easiest way to solve a quadratic equation?, What are 3 ways to solve a quadratic equation?, What are the ways to solve a quadratic equation?, How do you solve a quadratic equation using the quadratic formula?, What are the steps in solving quadratic equation?, Why is the quadratic formula?, Who proved the quadratic formula?, How do you find quadratic equation?, How do you solve quadratic equations with fractions?, What is the easiest way to find the roots of a quadratic equation?, When can you use the root method to solve a quadratic equation?, What are the four methods of factoring?, What are the types of quadratic equations?, How do you solve quadratic equations by taking square roots?, How do you solve quadratic equations by factoring?, What is Formula method?, How do you simplify quadratic equations?, How do you solve quadratic equations on a calculator?, When should you use the quadratic formula?, What is Dharacharya formula?,$
द्विघात समीकरण