`10^n + 3(4)^(n+2)+5, n in N` is divisible by 9.

4^(n) - 3n - 1 is divisible by 9

5^(2n+1)+3^(4n+2) (n in N) is divisible by

Prove the following by using the principle of mathematical induction for all n in N 10^n + 3.4^(n+2) + 5 is divisible by 9.

Prove by the method of mathematical induction that, 3^(2n+2) - 8n-9, AA n in N is divisible by 64.

If ninNN , then by principle of mathematical induction prove that, 10^(n)+3*4^(n+2)+5" "[nge0] is divisible by 9.

If 10^n + 3.4^(n+2) + k is divisible by 9 , for all n in N , then the least positive integral value of k is