The points of the ellipse 16x^(2)+9y^(2)...

The points of the ellipse `16x^(2)+9y^(2)=400` at which the ordinate decrease at the same rate at which the abscissa increases 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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