A) \[9{{x}^{2}}+4{{y}^{2}}+12xy\]
B) \[18{{x}^{2}}+2{{y}^{2}}+10xy\]
C) \[9{{x}^{2}}+4{{y}^{2}}+8xy\]
D) \[9{{x}^{2}}+6{{y}^{3}}+12xy\]
Correct Answer: A
Solution :
(a): Use same logic as in Q26.
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