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Consider the parabola y^(2)= 4x. Let P a...

Consider the parabola `y^(2)= 4x`. Let P and Q be points on the parabola where `P(4, -4)` & Q(9, 6). Let R be a point on the arc of the parabola between P & Q. Then the area of `DeltaPQR` is largest when

A

`anglePQR= 90^(@)`

B

R(4, 4)

C

`R((1)/(4), 1)`

D

`R(1, (1)/(4))`

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