Question

Which of the following is not a rational number?

a.√9
b.√6
c.√25
d.√36

Answer 1

Correct nswer would be option number (b).

SINCE :

(a) (9)^1/2 = 3

(b) (6)^1/2 -> non reducible.

(c) (25)^1/2 = 5

(d) (36)^1/2 = 6.

HOPE THIS HELPS YOU MUCH