\(x^2-8x+15\) का गुणनखंडन कौन सा है?
Which is the factorisation of \(x^2-8x+15\)?
Explanation opens after your attempt
A. ((x-3)(x-5))
Concept
(-3+(-5)=-8) and ((-3)(-5)=15). Exam tip: two negative factors make the middle term negative.
Why this answer is correct
The correct answer is A. ((x-3)(x-5)). (-3+(-5)=-8) and ((-3)(-5)=15). Exam tip: two negative factors make the middle term negative.
Exam Tip
(-3+(-5)=-8) और ((-3)(-5)=15) है। परीक्षा में दोनों ऋण कारक मध्य पद ऋण बनाते हैं।
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