Mathematics, 08.01.2020 23:31 tamariarodrigiez

For all real numbers, if vr is irrational then r isirrational.
if true, give a rigorous proof, and if false give adisproof by
counterexample
prove that for all integers n, if n is not divisible by 2 or3,
then n^2 +23 is divisible by 12.

Answers: 2

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For all real numbers, if vr is irrational then r isirrational.
if true, give a rigorous proof,...