\(x^2-2xy+y^2-25\) का सही गुणनखंडन चुनिए।
Choose the correct factorisation of \(x^2-2xy+y^2-25\).
Explanation opens after your attempt
A. ((x-y-5)(x-y+5))
Concept
First identify (x-2-2xy+y-2=(x-y)2). Then factor ((x-y)2-52).
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).
Exam Tip
पहले (x-2-2xy+y-2=(x-y)2) पहचानें। फिर ((x-y)2-52) को तोड़ें।
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