Question

17. Prove that 3 + 2/5 is irrational,​

Answer 1

Answer:

3+2/5

=15+2/5

=17/5

=3.4(it is a irrational no )

Answer 2

Answer:

3+2/5 Is irrational

Let 3+2/5 be the rational number = x

By squaring both sides we get,

(3+2/5)²= 289/25 =x²

x=√289/25 x=3.4

3+2/5 is a irrational number..