Question

18. Show that is irrational.​

Answer 1

Answer:

3 is irrational numbers

Answer 2

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So for any rational number there exists an irreducible form. The point of the proof is that ifsqrt(2) were rational, a contradiction would occur, which then proves that sqrt(2) is irrational and our assumption is false. This type of proof is called proof by contradiction, or indirect proof.

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