Question

prove that he following are irrational 1/√2

Answer 1

A proof that the square root of 2 is irrational. Let's suppose √2 is a rational number. Then we can write it √2 = a/b where a, b are whole numbers, b not zero. We additionally assume that this a/b is simplified to lowest terms, since that can obviously be done with any fraction.

Answer 2

Yes, because in irraitational number there is no under root and in this 2 is under root.
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