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The relation between time t and distance...

The relation between time t and distance `x t= ax^(2) +bx` is , where a and b are constants. The acceleration is:

A

`-2av ^(2)`

B

`2av ^(2)`

C

`-2a b v ^(2)`

D

`2bv^(3)`

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The correct Answer is:
A
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