A) 7
B) 5
C) 9
D) 17
E) 13
Correct Answer: C
Solution :
For \[n=1,{{10}^{n}}+{{3.4}^{n+2}}+5\] \[=10+{{3.4}^{3}}+5=10+192+5\] \[=207\]which is divisible by 9. \[\therefore \]By Induction, the result is divisible by 9.You need to login to perform this action.
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