1.

4a2+b2+4ab+8a+4b+4=? (a) (2a+b+2)2 (b) (2a−b+2)2 (c) (a+2b+2)2 (d) None of these

Answer»

4a2+b2+4ab+8a+4b+4=?

(a) (2a+b+2)2

(b) (2ab+2)2

(c) (a+2b+2)2

(d) None of these



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