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Function: require_once
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Line: 367
Function: require_once
Question 9 Given an ellipse
(x^(2))/(a^(2))+(y^(2))/(b^(2))=1and its left focus
F(-c,0). A line
lpassing through
Fwith an angle of incliation
\theta intersects the ellipse at points
Aand
B. Show that
|AB|=(2ab^(2))/((a^(2)-b^(2))sin^(2)\theta +b^(2))