Question

which of the following numbers are perfect cubes? in case of perfect cube, find the number whose cube is the given number.
(i) 1125​

Answer 1

Answer: A number whose cube root is an integer(....-2,-1,0,1,2....) is a perfect cube

Step-by-step explanation:

1125 is not a perfect cube

∛1125

=∛125*9

∛125=5 and ∛9=? (irrational number)

So, ∛1125=5∛9

Since, 5∛9 is not an integer,

∛1125 is not a perfect square number

Answer 2

Answer:

1125 is a not a perfect square

Step-by-step explanation:

1125 is not a perfect cube

∛1125

=∛125*9

∛125=5 and ∛9=? (irrational number)

So, ∛1125=5∛9

Since, 5∛9 is not an integer,

∛1125 is not a perfect square number

thanks