Question

Which of the following is an irrational
number ?
-5
17
3
1/2​

Answer 1

All are rational numbers.

More information about irrational numbers ;

1) Irrational numbers are those numbers which can't be written in the form of p/q where q not equal to zero ( 0 ).

2) One of the identification of irrational numbers are , they are non - terminating and non - repeating.

3) Examples ;

✓2 , ✓5 , 101001000100001..... and etc.