Question

if the cube of a number is 729 find the number

Answer 1

Let the number be 'a'

a³ = 729
a = ∛729


Now, we know 9 x 9 x 9 = 729

So ∛729 = 9

Required number = 9

Hope This Helps You!

Answer 2

if the no. in cube root is not long ,then I think by finding factor one can easily find cube root.
729= 3×3×3×3×3×3
so,we take out 3×3= 9