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Find the equations of the tangent line and the normal line

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Please explain how to find the equations of the tangent line and the normal line to the graph of the equation at the indicated point and achieve the specified answer.

y ln x + y^2 = 0 (e, -1)

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The solution provides a theoretical explanation and then a very detailed and step-by-step work-out for the problem.

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There is a very good reference on implicit differentiation and normal ...

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