\(x^2+6x+9-y^2\) का सही गुणनखंड रूप क्या है?
What is the correct factorised form of \(x^2+6x+9-y^2\)?
Explanation opens after your attempt
D. ((x+3-y)(x+3+y))
Concept
First treat \(x^2+6x+9\) as ((x+3)2). In exams, identify the perfect square and then use difference of squares.
Why this answer is correct
The correct answer is D. ((x+3-y)(x+3+y)). First treat \(x^2+6x+9\) as ((x+3)2). In exams, identify the perfect square and then use difference of squares.
Exam Tip
पहले \(x^2+6x+9\) को ((x+3)2) मानें। परीक्षा में पूर्ण वर्ग को पहचानकर वर्गों के अंतर का प्रयोग करें।
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