Ellipse tangent line
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Given the ellipse
x2/4 + y2/9 = 1
What are the points where the tangent line is vertical?
(In narrative, the problem reads: given the ellipse x squared divided by 4, plus y squared divided by 9, equals 1, what are the points where the tangent line is vertical? The problem is also attached in MS Word, in case you need it.)
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Solution Summary
This shows how to find vertical tangent line to an ellipse.
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