Doug C. answered • 02/14/23
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Kate P.
asked • 02/14/23Find the tangent lines of the Ellipse:
The graph of the equation x^2 + xy + y^2 = 7 is an ellipse lying obliquely in the plane, as illustrated in the figure below...
a. Compute dy/dx ___
b. The ellipse has two horizontal tangents. Find an equation of the upper one. ___
c. The ellipse has two vertical tangents. Find an equation of the rightmost one. ___
d. Find the point at which the rightmost vertical tangent line touches the ellipse. ___
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