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Application of Derivatives
Question
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The normal to the curve x = a(1 + cosθ), y = asinθ at ‘θ’ always passes through the fixed point

  • (a, 0)

  • (0, a)No

  • (0,0)

  • (a,a)

Answer

A.

(a, 0)

Eliminating θ, we get (x – a)2 + y2 = a2 .
Hence normal always pass through (a, 0).

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