\(2x^2+9x+10\) का सही गुणनखंडन क्या है?
What is the correct factorisation of \(2x^2+9x+10\)?
Explanation opens after your attempt
A. ((2x+5)(x+2))
Concept
((2x+5)(x+2)=2x-2+4x+5x+10). The middle term becomes (9x).
Why this answer is correct
The correct answer is A. ((2x+5)(x+2)). ((2x+5)(x+2)=2x-2+4x+5x+10). The middle term becomes (9x).
Exam Tip
((2x+5)(x+2)=2x-2+4x+5x+10) है। मध्य पद (9x) बनता है।
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