\(x^2-2xy+y^2-25\) का सही गुणनखंडन चुनिए।

Choose the correct factorisation of \(x^2-2xy+y^2-25\).

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

A. ((x-y-5)(x-y+5))

Step 1

Concept

First identify (x-2-2xy+y-2=(x-y)2). Then factor ((x-y)2-52).

Step 2

Why this answer is correct

The correct answer is A. ((x-y-5)(x-y+5)). First identify (x-2-2xy+y-2=(x-y)2). Then factor ((x-y)2-52).

Step 3

Exam Tip

पहले (x-2-2xy+y-2=(x-y)2) पहचानें। फिर ((x-y)2-52) को तोड़ें।

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Mathematics Answer, Explanation and Revision Hints

\(x^2-2xy+y^2-25\) का सही गुणनखंडन चुनिए। / Choose the correct factorisation of \(x^2-2xy+y^2-25\).

Correct Answer: A. ((x-y-5)(x-y+5)). Explanation: पहले (x-2-2xy+y-2=(x-y)2) पहचानें। फिर ((x-y)2-52) को तोड़ें। / First identify (x-2-2xy+y-2=(x-y)2). Then factor ((x-y)2-52).

Which concept should I revise for this Mathematics MCQ?

First identify (x-2-2xy+y-2=(x-y)2). Then factor ((x-y)2-52).

What exam hint can help solve this Mathematics question?

पहले (x-2-2xy+y-2=(x-y)2) पहचानें। फिर ((x-y)2-52) को तोड़ें।