Question

Prove that the following are irrational. (1) 52 (ii) (3 + V5 (iii) 6 + 2 (iv) 15 (v) 3+2.15​

Answer 1

Answer:

Here, a and b are integers so, is a rational number,

so √2 should be a rational number.

But √2 is a irrational number, so it is contradictory.

Therefore, is irrational number.

√2

Answer 2

Answer:

Here, a and b are integers so, is a rational number,

so √2 should be a rational number.

But √2 is a irrational number, so it is contradictory.

Therefore, is irrational number.

√2