Question

Q1 .Prove that root3 plus root 5 is an irrational number

Q2. Prove that 5 ÷3 root7 is an irrational number

Answer 1

Answer:

let it's a rational no.

1. √3+√5=a/b

a/b is a rational no.

√3=a/b-√5

but √3 is an irrational no. so √3+√5is an rational no.