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

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

A

`anglePQR=90^(@)`

B

R(4,4)

C

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

D

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

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The correct Answer is:
A, D
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