prove root 2 rational no – InterviewSolution

1.

prove root 2 rational no

Answer»

A proof that the squarerootof2is irrational. Let's suppose √2is arational number.

Then we can write it √2= a/b where a, b are wholenumbers, b not zero.

We additionally assume that this a/b is simplified to lowest terms, since that can obviously be done with any fraction.

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