Question: I need with the questions below. Please answer these questions clearly, Thanks. 1.4 Prove by induction that n4 - 4n2 is divisible by 3, for

I need with the questions below. Please answer these questions clearly, Thanks.

I need with the questions below. Please answer these questions clearly, Thanks.

1.4 Prove by induction that n4 - 4n2 is divisible by 3, for all integers n21. 1.5 Prove that 7n 2-1. ! for every integer n 2

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