Question

Prove that 2/5√3 is irrational no

Answer 1

Answer:

2/5√3

2/5*√3

0.4*1.7

0.69 is irrational no

Answer 2

Step-by-step explanation:

Let us assume that 2/5√3 is a rational no.

therefore, 2/5√3 =a/b

5√3= 1/2[a/b]

√3= 1/5 [2a/b].

Here 5,2,a and b are integers.

Therefore √3= rational no.

But our assumption is wrong.

This contradicts the fact that 2/5√3 is an irrational number.