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Implicit Differentiation help???

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(xy)^2 + xy − x = 5, (−5, 0)

the general slope of the tangent line please show explanation thanks?

implicit-differentiation
-tangent

asked Oct 10, 2014 in PRECALCULUS by anonymous

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1 Answer

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The equation is and point is .

To find the slope of tangent line, derivative with respect to x to the above equation.

Substitute in the above equation.

The slope of tangent line is - 1/5.

answered Oct 10, 2014 by casacop Expert

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