A) \[-2\,{{a}^{2}}b+12\,{{a}^{2}}{{b}^{2}}-1\]
B) \[2\,{{a}^{2}}b-12\,{{a}^{2}}{{b}^{2}}+1\]
C) \[12\,{{a}^{2}}b-12\,{{a}^{2}}{{b}^{2}}+9\]
D) \[-12\,{{a}^{2}}b+12\,{{a}^{2}}{{b}^{2}}-9\]
E) None of these
Correct Answer: B
Solution :
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