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OpenStudy (anonymous):
Find the derivative of f(x) =(-9/x) at x = -8. i dont know how to solve it as a fraction?
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OpenStudy (cggurumanjunath):
f'(x)=9/(x^2) f'(-8)=9/((-8)^2)=9/64
OpenStudy (anonymous):
it's the same as (-9) * (1/x)
OpenStudy (anonymous):
thanks!(:
OpenStudy (cggurumanjunath):
you are welcome.
OpenStudy (cggurumanjunath):
ask me more questions on differentiation.
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