\(x^2+2xy+y^2-6x-6y+9\) का गुणनखंड रूप क्या है?
What is the factorised form of \(x^2+2xy+y^2-6x-6y+9\)?
Explanation opens after your attempt
A. ((x+y-3)2)
Concept
It is ((x+y)2-6(x+y)+9). In exams, treat (x+y) as one term and identify the perfect square.
Why this answer is correct
The correct answer is A. ((x+y-3)2). It is ((x+y)2-6(x+y)+9). In exams, treat (x+y) as one term and identify the perfect square.
Exam Tip
यह ((x+y)2-6(x+y)+9) है। परीक्षा में (x+y) को एक ही पद मानकर पूर्ण वर्ग पहचानें।
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