Question

o. Which of the following is irrational?
(A) √4/9
b) √12/√3
c) √7
d)√81​

Answer 1

Answer:

according to me the option c root7 is irrational is correct

Answer 2

Solution:

(A) √4/9=√(2×2)/9 = 2/9 which is rational

(B) √12/√3 = √(2×2×3)/√3 = 2√3/√3 =2 which is rational

(C) √7 is irrational

(D) √81= √(9×9) = 9, which is rational.

★Answer★

Therefore, (C) isirrational numbers.

(C) √7=2.645751311...