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Hey peepz. Iv hit a bit of a brick wall on a few of these conics qnz, theyr all pretty similar so ill just post up one of em. P(acos, bsin) lies on the ellipse x^2/a^2 + y^2/b^2=1 (just general eqn 4 an ellipse). The normal at P cuts the x-axis at X, and the y-axis at Y. Show that PX/PY =...