Implicit Differentiation

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Presentation transcript:

Implicit Differentiation

Background In some cases it is not possible to solve an equation as a single equation For Example: would be solved as two equations: and In order to find the derivative of the function, you would have had to find the derivative of each part

Implicit Differentiation Don’t need to solve an equation for y first in order to find y’ You will differentiate both sides with respect to x and solve the result for y’

Example Find y’ for

Practice Find y’ for:

Find the derivatives at the given points:

Find the equation of the tangent line to the function at the given point:

Find the second derivative 7) 8) 9)

Logarithmic Differentiation Derivatives of complicated functions can be simplified by taking logarithms

Example Find the derivative of