\(x^2+7x+12\) के सही गुणनखंड कौन से हैं?
Which are the correct factors of \(x^2+7x+12\)?
Explanation opens after your attempt
B. ((x+3)(x+4))
Concept
Since (3+4=7) and \(3\cdot4=12\), the correct factors are ((x+3)(x+4)). Exam tip: match both sum and product.
Why this answer is correct
The correct answer is B. ((x+3)(x+4)). Since (3+4=7) and \(3\cdot4=12\), the correct factors are ((x+3)(x+4)). Exam tip: match both sum and product.
Exam Tip
(3+4=7) और \(3\cdot4=12\) है इसलिए सही गुणनखंड ((x+3)(x+4)) हैं। परीक्षा में योग और गुणनफल दोनों मिलाएं।
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