\(x^2+2x-15\) का गुणनखंड रूप क्या है?
What is the factorised form of \(x^2+2x-15\)?
Explanation opens after your attempt
A. ((x+5)(x-3))
Concept
(5-3=2) and (5\cdot(-3)=-15). In exams, use opposite signs for a negative constant term.
Why this answer is correct
The correct answer is A. ((x+5)(x-3)). (5-3=2) and (5\cdot(-3)=-15). In exams, use opposite signs for a negative constant term.
Exam Tip
(5-3=2) और (5\cdot(-3)=-15) है। परीक्षा में ऋणात्मक स्थिर पद पर विपरीत चिह्न लें।
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