A) 16
B) 128
C) 256
D) None of these
Correct Answer: A
Solution :
\[{{3}^{2n+2}}-8n-9,\,\forall n\in N\] Putting \[n=2\] \[{{3}^{2\times 2+2}}-8\times 2-9=729-16-9=704\] It is divisible by 16.
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