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What is the derivative of the function f(x) = ( x7 + 4x3 ) / x4

 Apr 13, 2015

Best Answer 

 #1
avatar+118723 
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$$\\f(x) =\frac{ ( x^7 + 4x^3 ) }{ x^4}\\\\
f(x) = x^3 + 4x^{-1} \\\\
f'(x) = 3x^2-4x^{-2} \\\\
f'(x) = 3x^2-\frac{4}{x^{2}} \\\\$$

.
 Apr 13, 2015
 #1
avatar+118723 
+5
Best Answer

$$\\f(x) =\frac{ ( x^7 + 4x^3 ) }{ x^4}\\\\
f(x) = x^3 + 4x^{-1} \\\\
f'(x) = 3x^2-4x^{-2} \\\\
f'(x) = 3x^2-\frac{4}{x^{2}} \\\\$$

Melody Apr 13, 2015

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