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root3((-a^6 xx b^3 xx c^(21))/(c^9 xx a^...

`root3((-a^6 xx b^3 xx c^(21))/(c^9 xx a^(12)))=………`

A

`(-bc^(3))/(a^(2))`

B

`(bc^(4))/(a^(2))`

C

`(-ab^(4))/(c^(2))`

D

`(-bc^(4))/(a^(2))`

Text Solution

Verified by Experts

The correct Answer is:
d
use `(a^(m))/(a^(n))=a^(m-n)`and `a^(m)xxa^(n)=a^(m+n)`
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