Expert Mathematics Quadratic Equations Class 10 Level 33

(x-2-2(a+2)x+a-2+4a=0) की जड़ें कौन-सी हैं?

What are the roots of (x-2-2(a+2)x+a-2+4a=0)?

Explanation opens after your attempt
Correct Answer

A. (a) और (a+4)(a) and (a+4)

Step 1

Concept

The sum of roots is (2a+4) and the product is \(a^2+4a\). These match (a) and (a+4).

Step 2

Why this answer is correct

The correct answer is A. (a) और (a+4) / (a) and (a+4). The sum of roots is (2a+4) and the product is \(a^2+4a\). These match (a) and (a+4).

Step 3

Exam Tip

जड़ों का योग (2a+4) और गुणनफल \(a^2+4a\) है। ये (a) और (a+4) से मेल खाते हैं।

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Mathematics Answer, Explanation and Revision Hints

(x-2-2(a+2)x+a-2+4a=0) की जड़ें कौन-सी हैं? / What are the roots of (x-2-2(a+2)x+a-2+4a=0)?

Correct Answer: A. (a) और (a+4) / (a) and (a+4). Explanation: जड़ों का योग (2a+4) और गुणनफल \(a^2+4a\) है। ये (a) और (a+4) से मेल खाते हैं। / The sum of roots is (2a+4) and the product is \(a^2+4a\). These match (a) and (a+4).

Which concept should I revise for this Mathematics MCQ?

The sum of roots is (2a+4) and the product is \(a^2+4a\). These match (a) and (a+4).

What exam hint can help solve this Mathematics question?

जड़ों का योग (2a+4) और गुणनफल \(a^2+4a\) है। ये (a) और (a+4) से मेल खाते हैं।

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