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The position x of a particle varies with...

The position `x` of a particle varies with time `t` as `x=at^(2)-bt^(3)`. The acceleration at time `t` of the particle will be equal to zero, where (t) is equal to .`

A

`2at-3bt^2`

B

`2a-6bt`

C

`2a-6b`

D

None of these

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The correct Answer is:
B
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