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A point on the parabola y^2=18 x at whic...

A point on the parabola `y^2=18 x` at which the ordinate increases at twice the rate of the abscissa is (2,6) (b) `(2,-6)` `(9/8,-9/2)` (d) `(9/8,9/2)`

A

(2,4)

B

(2,-4)

C

`(-9/8,9/2)`

D

`(9/8,9/2)`

Text Solution

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The correct Answer is:
D
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