\(x^2-13x+40=0\) के गुणनखंड कौनसे होंगे?
What will be the factors of \(x^2-13x+40=0\)?
Explanation opens after your attempt
Correct Answer
A. ((x-5)(x-8))
Concept
(5+8=13) and \(5\times8=40\), so ((x-5)(x-8)) is correct. In exams, take both negative signs for a negative middle term.
Why this answer is correct
The correct answer is A. ((x-5)(x-8)). (5+8=13) and \(5\times8=40\), so ((x-5)(x-8)) is correct. In exams, take both negative signs for a negative middle term.
Exam Tip
(5+8=13) और \(5\times8=40\), इसलिए ((x-5)(x-8)) सही है। परीक्षा में ऋणात्मक मध्य पद के लिए दोनों ऋणात्मक चिन्ह लें।
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