\(x^2+6x-55=0\) के सही गुणनखंड कौनसे हैं?
What are the correct factors of \(x^2+6x-55=0\)?
Explanation opens after your attempt
Correct Answer
A. ((x+11)(x-5))
Concept
(11+(-5)=6) and \(11\times(-5)=-55\), so ((x+11)(x-5)) is correct. In exams, keep one sign positive and one negative.
Why this answer is correct
The correct answer is A. ((x+11)(x-5)). (11+(-5)=6) and \(11\times(-5)=-55\), so ((x+11)(x-5)) is correct. In exams, keep one sign positive and one negative.
Exam Tip
(11+(-5)=6) और \(11\times(-5)=-55\), इसलिए ((x+11)(x-5)) सही है। परीक्षा में एक चिन्ह धनात्मक और एक ऋणात्मक रखें।
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