Classify the following numbers as rational or irrational:(i) 1/√2 (

1.	Classify the following numbers as rational or irrational:(i) 1/√2 (ii) 2π
Answer» (i) 1/√2 we know that √2 = 1.414..., which is an irrational number . We can conclude that, when 1 is divided by √2 we will get an irrational number. Therefore, we conclude that 1/√2 is an irrational number. (ii) 2π We know that π = 3.1415...., which is an irrational number. We can conclude that 2π will also be an irrational number. Therefore, we conclude that 2π is an irrational number.

Classify the following numbers as rational or irrational:(i) 1/√2 (ii) 2π

Answer»

(i) 1/√2

we know that √2 = 1.414..., which is an irrational number .

We can conclude that, when 1 is divided by √2 we will get an irrational number. Therefore, we conclude that 1/√2 is an irrational number.

(ii) 2π

We know that π = 3.1415...., which is an irrational number.

We can conclude that 2π will also be an irrational number.

Therefore, we conclude that 2π is an irrational number.