\(a^2+4a+4-c^2\) का गुणनखंड रूप क्या है?
What is the factor form of \(a^2+4a+4-c^2\)?
Explanation opens after your attempt
B. ((a+2-c)(a+2+c))
Concept
(a-2+4a+4=(a+2)2). Then split ((a+2)2-c-2) by difference of squares.
Why this answer is correct
The correct answer is B. ((a+2-c)(a+2+c)). (a-2+4a+4=(a+2)2). Then split ((a+2)2-c-2) by difference of squares.
Exam Tip
(a-2+4a+4=(a+2)2) है। फिर ((a+2)2-c-2) को वर्गों के अंतर से तोड़ें।
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