Question

Q1.
Find which of the following is not a perfect cube?
(a) 121
(b) 1728

please explain ​

Answer 1

Answer:

option (a) is not a perfect cube

Answer 2

a) 121 is not a perfect cube

factors of 121 is

121=11×11

(11)^2=121

when we multiplying 11 in both side

121×11=11×11×11 we get

1331

the perfect cube is 1331 (11)^3.

hope this will help you