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Find the euation of normal to the curve ` x=a( cos theta + theta sin theta ) , y=a(sin theta - theta cos theta ) ` at any point `'theta'`

A

It passes through `((api)/(2),-a)`

B

Is at a constant distance from origin

C

It passes through origin

D

It makes an angle `((pi)/(2)+theta)` with the '+' x-axis

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The correct Answer is:
B
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