( (x+y)2-\(x^2+y^2\) ) किसके बराबर है?

What is ( (x+y)2-\(x^2+y^2\) ) equal to?

Author: Muft Shiksha Editorial Team Published:
Explanation opens after your attempt
Correct Answer

B. (2xy)

Step 1

Concept

( (x+y)2=x-2+2xy+y-2 ), so subtracting \(x^2+y^2\) leaves (2xy). Exam tip: identify the middle term.

Step 2

Why this answer is correct

The correct answer is B. (2xy). ( (x+y)2=x-2+2xy+y-2 ), so subtracting \(x^2+y^2\) leaves (2xy). Exam tip: identify the middle term.

Step 3

Exam Tip

( (x+y)2=x-2+2xy+y-2 ) है इसलिए \(x^2+y^2\) घटाने पर (2xy) बचता है। परीक्षा में मध्य पद पहचानें।

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Mathematics Answer, Explanation and Revision Hints

( (x+y)2-\(x^2+y^2\) ) किसके बराबर है? / What is ( (x+y)2-\(x^2+y^2\) ) equal to?

Correct Answer: B. (2xy). Explanation: ( (x+y)2=x-2+2xy+y-2 ) है इसलिए \(x^2+y^2\) घटाने पर (2xy) बचता है। परीक्षा में मध्य पद पहचानें। / ( (x+y)2=x-2+2xy+y-2 ), so subtracting \(x^2+y^2\) leaves (2xy). Exam tip: identify the middle term.

Which concept should I revise for this Mathematics MCQ?

( (x+y)2=x-2+2xy+y-2 ), so subtracting \(x^2+y^2\) leaves (2xy). Exam tip: identify the middle term.

What exam hint can help solve this Mathematics question?

( (x+y)2=x-2+2xy+y-2 ) है इसलिए \(x^2+y^2\) घटाने पर (2xy) बचता है। परीक्षा में मध्य पद पहचानें।