Tangent Line with Implicit Differentiation | Calculus 1

We use implicit differentiation to find the equation of a tangent line to an ellipse. We of course also use the point-slope form of a line, and the equation of the ellipse requires us to use the power rule and the product rule in taking its derivative. The ellipse in this problem is x^2 - xy + y^2 = 7. #calculus1 #apcalculus

Implicit Differentiation Lesson: (coming soon)

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