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Question

Find a counterexample to the statement 4^n + 1 is divisible by 5.
17 years ago

Answers

bobpursley
What about n=-2? or n=0? or n=2?
17 years ago
Jon
They are looking for just 1 right? how would I go about showng my work?
17 years ago
Jon
never mind I got it
17 years ago

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