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The points of the ellips 16x^2+9y^2=400 ...

The points of the ellips `16x^2+9y^2=400` at which the ordinate decreases at the same rate at which the abscissa oncreases is/are given by

A

`(3,16/3)` and `(-3,(-16)/3)`

B

`(3,-16/3)and(-3,16/3)`

C

`(1/16,1/9)` and `(-1/16,-1/9)`

D

`(1/16,-1/9)` and `(-1/16,1/9)`

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The correct Answer is:
A
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