( (a-b)2-\(a^2+b^2\) ) का सरल रूप क्या है?

What is the simplified form of ( (a-b)2-\(a^2+b^2\) )?

Author: Muft Shiksha Editorial Team Published:
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Correct Answer

C. (-2ab)

Step 1

Concept

( (a-b)2=a-2-2ab+b-2 ). Subtracting \(a^2+b^2\) leaves (-2ab).

Step 2

Why this answer is correct

The correct answer is C. (-2ab). ( (a-b)2=a-2-2ab+b-2 ). Subtracting \(a^2+b^2\) leaves (-2ab).

Step 3

Exam Tip

( (a-b)2=a-2-2ab+b-2 ) है। \(a^2+b^2\) घटाने पर (-2ab) बचता है।

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Mathematics Answer, Explanation and Revision Hints

( (a-b)2-\(a^2+b^2\) ) का सरल रूप क्या है? / What is the simplified form of ( (a-b)2-\(a^2+b^2\) )?

Correct Answer: C. (-2ab). Explanation: ( (a-b)2=a-2-2ab+b-2 ) है। \(a^2+b^2\) घटाने पर (-2ab) बचता है। / ( (a-b)2=a-2-2ab+b-2 ). Subtracting \(a^2+b^2\) leaves (-2ab).

Which concept should I revise for this Mathematics MCQ?

( (a-b)2=a-2-2ab+b-2 ). Subtracting \(a^2+b^2\) leaves (-2ab).

What exam hint can help solve this Mathematics question?

( (a-b)2=a-2-2ab+b-2 ) है। \(a^2+b^2\) घटाने पर (-2ab) बचता है।