( (3a-4b)2 ) का सही विस्तार चुनिए।

Choose the correct expansion of ( (3a-4b)2 ).

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

A. \(9a^2-24ab+16b^2\)

Step 1

Concept

In ( (a-b)2 ) the middle term is negative. Exam tip: keep both coefficient squares and (2ab) correct.

Step 2

Why this answer is correct

The correct answer is A. \(9a^2-24ab+16b^2\). In ( (a-b)2 ) the middle term is negative. Exam tip: keep both coefficient squares and (2ab) correct.

Step 3

Exam Tip

( (a-b)2 ) में मध्य पद ऋणात्मक होता है। परीक्षा में गुणांक का वर्ग और (2ab) दोनों ध्यान रखें।

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Mathematics Answer, Explanation and Revision Hints

( (3a-4b)2 ) का सही विस्तार चुनिए। / Choose the correct expansion of ( (3a-4b)2 ).

Correct Answer: A. \(9a^2-24ab+16b^2\). Explanation: ( (a-b)2 ) में मध्य पद ऋणात्मक होता है। परीक्षा में गुणांक का वर्ग और (2ab) दोनों ध्यान रखें। / In ( (a-b)2 ) the middle term is negative. Exam tip: keep both coefficient squares and (2ab) correct.

Which concept should I revise for this Mathematics MCQ?

In ( (a-b)2 ) the middle term is negative. Exam tip: keep both coefficient squares and (2ab) correct.

What exam hint can help solve this Mathematics question?

( (a-b)2 ) में मध्य पद ऋणात्मक होता है। परीक्षा में गुणांक का वर्ग और (2ab) दोनों ध्यान रखें।