What is the derivative of y= x/7-7/x ?

The derivative of y= x/7-7/x is 1/7+7/(x^2)

What is the first derivative of y= x/7-7/x ?

The first derivative of y= x/7-7/x is 1/7+7/(x^2)

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derivative of

y = \frac{x}{7} - \frac{7}{x}

\frac{1}{7} + \frac{7}{x ^{2}}

Solution steps

\frac{d}{d x} (\frac{x}{7} - \frac{7}{x})

Apply the Sum/Difference Rule:

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

= \frac{d}{d x} (\frac{x}{7}) - \frac{d}{d x} (\frac{7}{x})

\frac{d}{d x} (\frac{x}{7}) = \frac{1}{7}

\frac{d}{d x} (\frac{7}{x}) = - \frac{7}{x ^{2}}

= \frac{1}{7} - (- \frac{7}{x ^{2}})

Simplify

= \frac{1}{7} + \frac{7}{x ^{2}}

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What is the derivative of y= x/7-7/x ?
The derivative of y= x/7-7/x is 1/7+7/(x^2)
What is the first derivative of y= x/7-7/x ?
The first derivative of y= x/7-7/x is 1/7+7/(x^2)