A) 7
B) 5
C) 9
D) 17
Correct Answer: C
Solution :
[c] \[{{10}^{n}}+3({{4}^{n+2}})+5\] Taking \[n=2;{{10}^{2}}+3\times {{4}^{4}}+5\] \[=100+768+5=873\] Therefore this is divisible by 9.You need to login to perform this action.
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