Question

Cube root of -729a^9b^6

Answer 1

∛-729a^9b^6
= ∛(-9a^3b^2)^3
= -9a^3b^2

Answer 2

`-9a^3b^2`

Explanation:

Given :
`-729a^9b^6`

To Find : find cube root

Solution:

`\sqrt[3]{-729a^9b^6}`

`(-729a^9b^6)^{(1)/(3)}`

`(-9^3a^9b^6)^{(1)/(3)}`

`-9a^3b^2`

Hence the cube root of
`-729a^9b^6` is
`-9a^3b^2`