If n - N- then 72 n-23 n-3- 3n-1 is always divisible byA- 45B- None of theseC- 25D- 35

The correct option is C 25 Putting n = 1 in 7^2n + 2^3n 3.3^n 1 =50, divisible by 25 ...

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Proof by mathematical induction

If n ∈ N, the...

Question

If n ∈ N, then $7^{2 n}$ + $2^{3 n - 3}$ . $3^{n - 1}$ is always divisible by

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None of these

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Similar questions

n ϵ N, 7^{2 n} + 2^{3 n - 3}

n \in N

7^{2 n} + 2^{3 n - 3} . 3^{n - 1}

For all $n ϵ N, 3 \times 5^{2 n + 1} + 2^{3 n + 1}$ is divisible by

7^{2 n} + 3^{n - 1} \cdot 2^{3 n - 3}

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