Question

Which of the following is an irrational number
(b) √7 (a) √144/225
(c)4/5 (d)√81

Answer 1

Answer:

(b)

Step-by-step explanation:

other are rational

Answer 2

$\huge\bold\pink{Answer}$

√7 is an irrational number because it cannot be written in the p/q form where q ≄ 0.