What is the derivative of f(x)=5x+4/x ?

The derivative of f(x)=5x+4/x is 5-4/(x^2)

What is the first derivative of f(x)=5x+4/x ?

The first derivative of f(x)=5x+4/x is 5-4/(x^2)

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derivative of

f (x) = 5 x + \frac{4}{x}

5 - \frac{4}{x ^{2}}

Solution steps

\frac{d}{d x} (5 x + \frac{4}{x})

Apply the Sum/Difference Rule:

(f \pm g)^{'} = f^{'} \pm g^{'}

= \frac{d}{d x} (5 x) + \frac{d}{d x} (\frac{4}{x})

\frac{d}{d x} (5 x) = 5

\frac{d}{d x} (\frac{4}{x}) = - \frac{4}{x ^{2}}

= 5 - \frac{4}{x ^{2}}

\frac{d}{d x} (\frac{5}{1 - 4 x ^{2}})

\frac{x + 2}{x ^{3} + x - 6}

\frac{d}{d x} (\frac{x}{x ^{2} + 196})

x \to 14 lim (x + 2)

g (x) = ln (x e^{- 9 x})

What is the derivative of f(x)=5x+4/x ?
The derivative of f(x)=5x+4/x is 5-4/(x^2)
What is the first derivative of f(x)=5x+4/x ?
The first derivative of f(x)=5x+4/x is 5-4/(x^2)