समीकरण \(x^2-2x-15=0\) के मूलों में से कौन-सा सही युग्म है?

Which pair is the correct roots of \(x^2-2x-15=0\)?

Explanation opens after your attempt
Correct Answer

B. (5,-3)

Step 1

Concept

From ((x-5)(x+3)=0), the roots are (5) and (-3). Match both product and sum in such questions.

Step 2

Why this answer is correct

The correct answer is B. (5,-3). From ((x-5)(x+3)=0), the roots are (5) and (-3). Match both product and sum in such questions.

Step 3

Exam Tip

((x-5)(x+3)=0) से मूल (5) और (-3) मिलते हैं। ऐसे प्रश्नों में गुणनफल और योग दोनों मिलाएं।

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Mathematics Answer, Explanation and Revision Hints

समीकरण \(x^2-2x-15=0\) के मूलों में से कौन-सा सही युग्म है? / Which pair is the correct roots of \(x^2-2x-15=0\)?

Correct Answer: B. (5,-3). Explanation: ((x-5)(x+3)=0) से मूल (5) और (-3) मिलते हैं। ऐसे प्रश्नों में गुणनफल और योग दोनों मिलाएं। / From ((x-5)(x+3)=0), the roots are (5) and (-3). Match both product and sum in such questions.

Which concept should I revise for this Mathematics MCQ?

From ((x-5)(x+3)=0), the roots are (5) and (-3). Match both product and sum in such questions.

What exam hint can help solve this Mathematics question?

((x-5)(x+3)=0) से मूल (5) और (-3) मिलते हैं। ऐसे प्रश्नों में गुणनफल और योग दोनों मिलाएं।