Question

Which of the followings is not irrational ?
(a) 15 + 3 root 16
(b) root 23 - 6
(c) 3 root 120
(d) 4 + 5 root 36​

Answer 1

Answer:

option d is not rational

Step-by-step explanation:

as5√36 = 5√6*6 = 5*6 = 30

and 30 + 4 = 34