Question

Find the value of 3√8+3√64+3√125​

Answer 1

Answer:

On prime factorising, we get,

125=5×5×5 =5

3

64=2×2×2×2×2×2=4×4×4 =4

3

.

Then,

3

125×64

=

3

5

3

×4

3

=5×4=20.

Therefore, 20 is the solution.