Question

सिद्ध करे कि 1/ रूट 2 एक अपरिमेय संख्या
है

Answer 1

let assume 1√2 as rational number ,,,take 1√2 as the form of a/b. .. after rearrange √2 = a/1b so ,,a and b are some integers so. ,a/1b. is rational so,, √2 is also rational But by contradicts √2 is irrational. so ,,if √2 is irrational so , automatically. 1√2 is also irrational