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If (d)/(dx) (2x^(3)-5)^(10)=(2x^(3)-5)^...

If `(d)/(dx) (2x^(3)-5)^(10)=(2x^(3)-5)^(9)f(x)`, then `f(x)` is -

A

`60 x^(2)`

B

`30x^(2)`

C

`20x^(2)`

D

none of these

Text Solution

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The correct Answer is:
A
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