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Mathematics 20 Online
OpenStudy (anonymous):

If f(x) + x^2[f(x)]^3 = 10 and f(1) = 2, find f '(1).

OpenStudy (zarkon):

just take the derivative of your equation , plug in 1 and solve for f'(1)

OpenStudy (zarkon):

\[f'(x)+x^23[f(x)]^2f'(x)+2x[f(x)]^3=0\] plug in 1...solve for f'(1)

OpenStudy (anonymous):

-16/13?

OpenStudy (zarkon):

yes

OpenStudy (anonymous):

Sweet, it was right, thanks

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