Find the equation of the ellipse with centre $(5, -2)$, $x+3=0$ as the directrix, and length of the latus rectum equal to $6$.
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I have forgotten what the latus rectum is and I would bet that most readers have never heard of it. What is it? – DanielWainfleet Jan 28 '18 at 06:27
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It is a chord of the ellipse passing through a focus and perpendicular to the major axis. – Jazmyn Carmelle Bungabong Jan 30 '18 at 11:06