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Question: P is a variable point on the parabola x<sup>2</sup> + 44x = y + 88 and Q is a point on the plane not...

P is a variable point on the parabola x2 + 44x = y + 88 and Q is a point on the plane not lying on the parabola. If PQ2 is minimum, then the angle between the tangent at P and PQ is-

A

p/3

B

tan–1(1/2)

C

tan–1(2)

D

p/2

Answer

p/2

Explanation

Solution

Least distance occurs along normal.