समीकरण \(x^2-3x-40=0\) के मूलों का सही युग्म कौन-सा है?

Which pair is the correct roots of \(x^2-3x-40=0\)?

Explanation opens after your attempt
Correct Answer

A. (8,-5)

Step 1

Concept

From ((x-8)(x+5)=0), the roots are (8) and (-5). Check both product and sum.

Step 2

Why this answer is correct

The correct answer is A. (8,-5). From ((x-8)(x+5)=0), the roots are (8) and (-5). Check both product and sum.

Step 3

Exam Tip

((x-8)(x+5)=0) से मूल (8) और (-5) मिलते हैं। गुणनफल और योग दोनों मिलाकर जांचें।

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Mathematics Answer, Explanation and Revision Hints

समीकरण \(x^2-3x-40=0\) के मूलों का सही युग्म कौन-सा है? / Which pair is the correct roots of \(x^2-3x-40=0\)?

Correct Answer: A. (8,-5). Explanation: ((x-8)(x+5)=0) से मूल (8) और (-5) मिलते हैं। गुणनफल और योग दोनों मिलाकर जांचें। / From ((x-8)(x+5)=0), the roots are (8) and (-5). Check both product and sum.

Which concept should I revise for this Mathematics MCQ?

From ((x-8)(x+5)=0), the roots are (8) and (-5). Check both product and sum.

What exam hint can help solve this Mathematics question?

((x-8)(x+5)=0) से मूल (8) और (-5) मिलते हैं। गुणनफल और योग दोनों मिलाकर जांचें।