समीकरण \(x^2+2x-35=0\) के मूलों का सही युग्म कौन-सा है?
Which pair is the correct roots of \(x^2+2x-35=0\)?
Explanation opens after your attempt
Correct Answer
A. (5,-7)
Concept
From ((x+7)(x-5)=0), the roots are (-7) and (5). Check both product and sum.
Why this answer is correct
The correct answer is A. (5,-7). From ((x+7)(x-5)=0), the roots are (-7) and (5). Check both product and sum.
Exam Tip
((x+7)(x-5)=0) से मूल (-7) और (5) मिलते हैं। गुणनफल और योग दोनों मिलाकर जांचें।
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