For all `ninNN`, prove by principle of mathematical induction that,
`2^(3n)-1` is divisible by 7.

For all ninNN , prove by principle of mathematical induction that, 15^(2n-1)+1 is divisible by 16.

For all ninNN , prove by principle of mathematical induction that, 12^(n)+25^(n-1) is divisible by 13.

For all ninNN , prove by principle of mathematical induction that, 2*7^(n)+3*5^(n)-5 is divisible by 24.

By mathematical induction prove that 2^(3n) -1 is divisible by 7.

Using principle of mathematical induction prove that 2^(3n)-1 is divisible by 7 .

Prove by mathematical induction 2^(3n)-1 is divisible by 7.

For all ninNN , prove by principle of mathematical induction that, 4^(n)+15n-1 is a multiple of 9.

If ninNN , then by principle of mathematical induction prove that, 3^(2n+2)-8n-9 is divisible by 64.

Prove by the principle of mathematical induction that for all n in N. (2^(3n)-1) is divisible by 7 for all n in N .

If ninNN , then by principle of mathematical induction prove that, 5^(2n+2)-24n-25 is divisible by 576.