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If x=a(cos theta+theta sin theta) and y=...

If `x=a(cos theta+theta sin theta)` and `y=a(sin theta-theta cos theta)` and `theta` increases at uniform rate `omega`. The velocity of particle is

A

`aomega`

B

`(a^(2)theta)/(omega)`

C

`(a theta)/(omega)`

D

`a theta omega`

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