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Displacment x of a particle at time t is...

Displacment x of a particle at time t is given by `x=At^(2)+Bt+C`,
where A,B,Care constants .If v is its velocity, then :`4Ax-v^(2)=`

A

(a) `4AC+B^2`

B

(b) `4AC-B^2`

C

(c) `2AC-B^2`

D

(d) `2AC+B^2`

Text Solution

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The correct Answer is:
B
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