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If P(t^2,2t),t in [0,2] , is an arbitrar...

If `P(t^2,2t),t in [0,2]` , is an arbitrary point on the parabola `y^2=4x ,Q` is the foot of perpendicular from focus `S` on the tangent at `P ,` then the maximum area of ` P Q S` is (a) `1` (b) `2` (c) `5/(16)` (d) `5`

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