Question

How to know weather a number is rational or irrational?

Answer 1

Answer:

Step-by-step explanation:

1]rational number can be expressed in form p/q

2] decimal expension of it is either terminating  or non terminating repeating.

Answer 2

if its decimal expansion is non terminating or non repeating then it is irrational othersise the no. is rational

.....if the no. can be written in the form p/q where q not equls to 0 then it is rational otherwise irrational