I have the following function given, and I need to find the points of tangency...(adsbygoogle = window.adsbygoogle || []).push({});

Two tangent lines to the huperbola [tex] 9x^2 - y^2 =36 [/tex] interesect at the y-axis.

Use implicit differentiation to find the points of tangency.

Ok so i multiplied both sides by dy/dx, and solved for y'...i got

[tex]y'= \frac {9x}{y}[/tex]

so to find the points of tangency, do i plug in the x and y values? im a little confused on that...thanks.

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# Homework Help: Points of tangency

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