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If the relation between distance x and t...

If the relation between distance x and time t is of the form `t = ax^2 + bx`, then acceleration of the particle is:

A

`-2av^2`, where `v=dx//dt`

B

`-2av^3`, where `v=dx//dt`

C

`-2av^(1//2)` where `v = dx//dt`.

D

`-2bv^3 + 2av`, where `v = dx//dt `

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