Expert Mathematics Quadratic Equations Class 10 Level 32

यदि \(x^2-14x+q=0\) की जड़ें (3:4) के अनुपात में हैं, तो (q) का मान क्या होगा?

If the roots of \(x^2-14x+q=0\) are in the ratio (3:4), what is the value of (q)?

Explanation opens after your attempt
Correct Answer

C. (48)

Step 1

Concept

Let the roots be (3r) and (4r). From (7r=14), (r=2), so the product is \(12r^2=48\).

Step 2

Why this answer is correct

The correct answer is C. (48). Let the roots be (3r) and (4r). From (7r=14), (r=2), so the product is \(12r^2=48\).

Step 3

Exam Tip

जड़ें (3r) और (4r) मानें। (7r=14) से (r=2), इसलिए गुणनफल \(12r^2=48\) है।

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यदि \(x^2-14x+q=0\) की जड़ें (3:4) के अनुपात में हैं, तो (q) का मान क्या होगा? / If the roots of \(x^2-14x+q=0\) are in the ratio (3:4), what is the value of (q)?

Correct Answer: C. (48). Explanation: जड़ें (3r) और (4r) मानें। (7r=14) से (r=2), इसलिए गुणनफल \(12r^2=48\) है। / Let the roots be (3r) and (4r). From (7r=14), (r=2), so the product is \(12r^2=48\).

Which concept should I revise for this Mathematics MCQ?

Let the roots be (3r) and (4r). From (7r=14), (r=2), so the product is \(12r^2=48\).

What exam hint can help solve this Mathematics question?

जड़ें (3r) और (4r) मानें। (7r=14) से (r=2), इसलिए गुणनफल \(12r^2=48\) है।

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