A) 113
B) 123
C) 133
D) None of these
Correct Answer: C
Solution :
[c] Putting \[n=1\] in \[{{11}^{n+2}}+{{12}^{2n+1}}\] We get, \[{{11}^{1+2}}+{{12}^{2\times 1+1}}={{11}^{3}}+{{12}^{3}}=3059,\] which is divisible by 133.
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