P is a point on the ellipse (x^(2))/(a^(...

P is a point on the ellipse `(x^(2))/(a^(2))+(y^(2))/(b^(2))=1` S and `S^(1)` are foci A & `A^(1)` are the vertices of the ellipse then the ratio `|(SP-S^(1)P)/(SP+S^(1)P)|` is

e cos `theta`

`e^(2) cos theta`

`e^(3) cos theta`

`(1)/(e ) cos theta`

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