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If the rate of change in y=3x^(3)+(9)/(...

If the rate of change in `y=3x^(3)+(9)/(2)x^(+2)-8x` is twice the rate of change in x, then: x=

A

`2, -5`

B

`-2, 5`

C

`(2)/(3),-(5)/(3)`

D

`-(2)/(3), (5)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
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