Question

Prove that the following are irrationals:-1/√2,,7√5​

Answer 1

because √2 is irrational so that number is also irrational

Answer 2

Answer:

let we assumed that 1 by root 2 is

rational no.

1by root 2 = a by b (a and b Is a co prime no.)

root 2 by 1 = b by a

b by a is a rational number root 2 is a irrational number hance our assumption is wrong 1 by root 2 is a irrational number