Prove that 2⋅7n+3⋅5n−5 is divisible by 24, for all n∈N. – InterviewSolution

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1.	Prove that 2⋅7n+3⋅5n−5 is divisible by 24, for all n∈N.
Answer» Prove that $2 \cdot 7^{n} + 3 \cdot 5^{n} - 5$ is divisible by $24$ , for all $n \in N$ .

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