Question

. Which of the following is irrational?
a)√4/√9
b)√12/√3
c)√5
d)√81​

Answer 1

Answer:

c)√5

Step-by-step explanation:

√4/√9 = 2/3

√12/√3 = 4

And

√81​ = 9

Only √5 give non terminatting decimal epansion

So ,

√5 is an irrational number.