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The coordinates of a moving particle at ...

The coordinates of a moving particle at any time't' are given by `x = alphat^(3)` and `y = betat^(3)`. The speed of the particle at time 't' is given by

A

`3t sqrt (alpha ^(2) + beta ^(2))`

B

`3t^(2) sqrt (alpha ^(2) + beta ^(2))`

C

`t^(2) sqrt (alpha ^(2) + beta ^(2))`

D

` sqrt (alpha ^(2) + beta ^(2))`

Text Solution

Verified by Experts

The correct Answer is:
B
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