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Find the euation of normal to the curve ...

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 makes a constant angle with x-axis

B

it passes through the origin

C

it is at a constant distance from the origin

D

none of these

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The correct Answer is:
C
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