2^(3n)-1quad " is divisible by "7

For each ninN,2^(3n)-1 is divisible by

For ninN , 2^(3n)-1 is divisible by

For each n in N , 2^(3n) - 1 is divisible by

If (2^(3n)-1) is divisible by 7, then prove that, [2^(3(n+1))-1] is also divisible by 7.

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

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

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 .

For all nge1 , prove that p(n):2^(3n)-1 is divisible by 7.

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

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