\(x^2+4xy+4y^2-25\) का गुणनखंड रूप क्या है?
What is the factorised form of \(x^2+4xy+4y^2-25\)?
Explanation opens after your attempt
A. ((x+2y-5)(x+2y+5))
Concept
(x-2+4xy+4y-2=(x+2y)2) and \(25=5^2\). Exam tip: treat the perfect square as one unit.
Why this answer is correct
The correct answer is A. ((x+2y-5)(x+2y+5)). (x-2+4xy+4y-2=(x+2y)2) and \(25=5^2\). Exam tip: treat the perfect square as one unit.
Exam Tip
(x-2+4xy+4y-2=(x+2y)2) और \(25=5^2\) है। परीक्षा में पूर्ण वर्ग को एक इकाई मानें।
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