\(3x^2+2xy-8y^2\) का सही गुणनखंड चुनिए।

Choose the correct factorisation of \(3x^2+2xy-8y^2\).

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. ( (3x-4y)(x+2y) )

Step 1

Concept

The split (6xy-4xy) gives (2xy). Exam tip: the signs are opposite because the last term is negative.

Step 2

Why this answer is correct

The correct answer is C. ( (3x-4y)(x+2y) ). The split (6xy-4xy) gives (2xy). Exam tip: the signs are opposite because the last term is negative.

Step 3

Exam Tip

(6xy-4xy) से (2xy) बनता है। परीक्षा में ऋणात्मक अंतिम पद के कारण चिन्ह विपरीत होंगे।

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Mathematics Answer, Explanation and Revision Hints

\(3x^2+2xy-8y^2\) का सही गुणनखंड चुनिए। / Choose the correct factorisation of \(3x^2+2xy-8y^2\).

Correct Answer: C. ( (3x-4y)(x+2y) ). Explanation: (6xy-4xy) से (2xy) बनता है। परीक्षा में ऋणात्मक अंतिम पद के कारण चिन्ह विपरीत होंगे। / The split (6xy-4xy) gives (2xy). Exam tip: the signs are opposite because the last term is negative.

Which concept should I revise for this Mathematics MCQ?

The split (6xy-4xy) gives (2xy). Exam tip: the signs are opposite because the last term is negative.

What exam hint can help solve this Mathematics question?

(6xy-4xy) से (2xy) बनता है। परीक्षा में ऋणात्मक अंतिम पद के कारण चिन्ह विपरीत होंगे।