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Mathematics, 08.08.2019 01:30 Krch1401

Prove that for all n e z, n is even iff n can be written in one of the forms 4k or 4k + 2 for integer k. (hint: for one of the directions, d 4) use the quotient-remainder theorem with some

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Prove that for all n e z, n is even iff n can be written in one of the forms 4k or 4k + 2 for intege...
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