Question

classify 2-√5 as rational or irrational

Answer 1

2-√5isi r a t i o n a l

Answer 2

It is irrational number because if we look upon on the definition of rational numbers then :

Rational numbers :

The numbers which are in the form of p/q where p and q both are integers .

q is not equal to 0 .

In the above statement √5 is not an integer , so it is not rational number .

It is irrational number .