Question

which is irrational number ?
option
(a)√64
(b)√2
(c)√25
(d)√81​

Answer 1

Answer:

c) √25

Step-by-step explanation:

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Answer 2

Answer:

Option b= √2 is an irrational number.

Step-by-step explanation:

Given that:-

a)√64=√(8×8)=8 is a rational number.

b)√2=1.414... is a non terminating and non recurring decimal=It is an Irrational number.

c)√25=√(5×5)=5 is a rational number.

d)√81=√(9×9)=9 is a rational number.