\(3a^2-5ab-2b^2\) को गुणनखंडित कीजिए।
Factorise \(3a^2-5ab-2b^2\).
Explanation opens after your attempt
Correct Answer
A. ((3a+b)(a-2b))
Concept
((3a+b)(a-2b)) gives \(3a^2-6ab+ab-2b^2\). In exams, check that the middle terms add to (-5ab).
Why this answer is correct
The correct answer is A. ((3a+b)(a-2b)). ((3a+b)(a-2b)) gives \(3a^2-6ab+ab-2b^2\). In exams, check that the middle terms add to (-5ab).
Exam Tip
((3a+b)(a-2b)) से \(3a^2-6ab+ab-2b^2\) मिलता है। परीक्षा में मध्य पदों का योग (-5ab) देखें।
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