कौन सा ((x-y)2) के बराबर है?
Which is equal to ((x-y)2)?
Explanation opens after your attempt
B. \(x^2-2xy+y^2\)
Concept
The middle term in ((x-y)2) is (-2xy). Therefore the correct expansion is \(x^2-2xy+y^2\).
Why this answer is correct
The correct answer is B. \(x^2-2xy+y^2\). The middle term in ((x-y)2) is (-2xy). Therefore the correct expansion is \(x^2-2xy+y^2\).
Exam Tip
((x-y)2) में मध्य पद (-2xy) होता है। इसलिए सही विस्तार \(x^2-2xy+y^2\) है।
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