\(x^2+4y^2+4xy-9z^2\) का गुणनखंड रूप क्या है?
What is the factorised form of \(x^2+4y^2+4xy-9z^2\)?
Explanation opens after your attempt
A. ((x+2y-3z)(x+2y+3z))
Concept
First (x-2+4xy+4y-2=(x+2y)2). In exams, rearrange terms and identify the perfect square.
Why this answer is correct
The correct answer is A. ((x+2y-3z)(x+2y+3z)). First (x-2+4xy+4y-2=(x+2y)2). In exams, rearrange terms and identify the perfect square.
Exam Tip
पहले (x-2+4xy+4y-2=(x+2y)2) बनता है। परीक्षा में पदों को पुनः क्रम में रखकर पूर्ण वर्ग पहचानें।
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