Question

Prove that 2√3-1 is an irrational number, given that 3
is an irrational number.​

Answer 1

Answer:

It is given that √3is irrational

So on doing any operation with a irrational no. the resultant comes out to be irrational only.

Here firstly 1 is subtracted from√3 so it becomes irrational and then 2 is multiplied to it so finally the whole term becomes irrational.

Hence prooved