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The coordinates of the point on the elli...

The coordinates of the point on the ellipse `16x^2 +9y^2 =400`  where the ordinate decreases at the same rate at which the abscissa increases, are (a) `(3,3/16)` and `(-3,-3/16)`     (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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