\(x^2-2xy+y^2-z^2\) का सही गुणनखंड क्या है?
What is the correct factorisation of \(x^2-2xy+y^2-z^2\)?
Explanation opens after your attempt
A. ((x-y-z)(x-y+z))
Concept
First (x-2-2xy+y-2=(x-y)2). In exams, then apply the difference of squares formula.
Why this answer is correct
The correct answer is A. ((x-y-z)(x-y+z)). First (x-2-2xy+y-2=(x-y)2). In exams, then apply the difference of squares formula.
Exam Tip
पहले (x-2-2xy+y-2=(x-y)2) बनता है। परीक्षा में फिर वर्गों के अंतर का सूत्र लगाएँ।
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