\(x^2+6x+9-4y^2+12y-9\) का सरल गुणनखंड रूप चुनिए।
Choose the simplified factorised form of \(x^2+6x+9-4y^2+12y-9\).
Explanation opens after your attempt
B. ( (x-2y+6)(x+2y) )
Concept
Writing it as ((x+3)2-(2y-3)2) gives the simplified form ((x-2y+6)(x+2y)). Exam tip: simplify the final answer.
Why this answer is correct
The correct answer is B. ( (x-2y+6)(x+2y) ). Writing it as ((x+3)2-(2y-3)2) gives the simplified form ((x-2y+6)(x+2y)). Exam tip: simplify the final answer.
Exam Tip
इसे ((x+3)2-(2y-3)2) लिखने पर सरल रूप ((x-2y+6)(x+2y)) आता है। परीक्षा में अंतिम उत्तर को सरल करें।
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