# Tangential line to a curve

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The curve 2(x^2 + y^2)^2 = 25(x^2 - y^2) is called a Lemniscates.

Find the tangent line at (3,1).

(The problem is also attached in MS Word with the appropriate fonts)

Â© BrainMass Inc. brainmass.com December 24, 2021, 4:41 pm ad1c9bdddfhttps://brainmass.com/math/calculus-and-analysis/tangential-line-curve-1783

#### Solution Preview

Since y is not given as an explicit function of x here, it would be best not to try and find y' as an explicit function of x. Taking the derivative ...

#### Solution Summary

This shows how to find the tangent line to a Lemniscates curve.

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