\(x^2-2xy+y^2\) का सही गुणनखंडन चुनिए।
Choose the correct factorisation of \(x^2-2xy+y^2\).
Explanation opens after your attempt
B. ((x-y)2)
Concept
The middle term is negative, so it is a subtraction perfect square. (x-2-2xy+y-2=(x-y)2).
Why this answer is correct
The correct answer is B. ((x-y)2). The middle term is negative, so it is a subtraction perfect square. (x-2-2xy+y-2=(x-y)2).
Exam Tip
मध्य पद ऋण है इसलिए यह घटाव वाला पूर्ण वर्ग है। (x-2-2xy+y-2=(x-y)2) होगा।
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