# 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.)

Â© BrainMass Inc. brainmass.com March 4, 2021, 5:36 pm ad1c9bdddfhttps://brainmass.com/math/calculus-and-analysis/ellipse-points-tangent-line-vertical-1782

#### Solution Summary

This shows how to find vertical tangent line to an ellipse.

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