If f(n) = 3^(2n) + 7, where n is a natural number, show

Saluran Edukasion 2024-05-10T12:09:08

If f(n) = 3^(2n) + 7, where n is a natural number, show that f(n + 1) - f(n) is divisible by 8. Hence, prove by induction that 3^(2n)+7 is divisible by 8.
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