Question

√5 is a irrational ​

Answer 1

Answer:

yes it is an irrational number

Answer 2

Answer:yes.it is irrational.

let √5is rational

√5=a/b,where a and b are coprimes.

a/b =integer/integer =rational

but √5is irrational

rational not equal to irrational

It contradicts our wrong assumption that √5is rational.Hence,

√5 is irrational