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Popular Calculus >

derivative of (7+8x-4sqrt(x)/x)

Solution

\frac{d}{d x} (\frac{7 + 8 x - 4 x}{x})

Solution

\frac{2 x - 7}{x ^{2}}

Solution steps

\frac{d}{d x} (\frac{7 + 8 x - 4 x}{x})

Apply the Quotient Rule:

(\frac{f}{g})^{'} = \frac{f ^{'} \cdot g - g ^{'} \cdot f}{g ^{2}}

= \frac{\frac{d}{d x} ( 7 + 8 x - 4 x ) x - \frac{d x}{d x} ( 7 + 8 x - 4 x )}{x ^{2}}

\frac{d}{d x} (7 + 8 x - 4 x) = - \frac{2}{x} + 8

\frac{d x}{d x} = 1

= \frac{( - \frac{2}{x} + 8 ) x - 1 \cdot ( 7 + 8 x - 4 x )}{x ^{2}}

Simplify

\frac{( - \frac{2}{x} + 8 ) x - 1 \cdot ( 7 + 8 x - 4 x )}{x ^{2}} : \frac{2 x - 7}{x ^{2}}

= \frac{2 x - 7}{x ^{2}}

Graph

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Frequently Asked Questions (FAQ)

What is the derivative of (7+8x-4sqrt(x)/x) ?
The derivative of (7+8x-4sqrt(x)/x) is (2sqrt(x)-7)/(x^2)
What is the first derivative of (7+8x-4sqrt(x)/x) ?
The first derivative of (7+8x-4sqrt(x)/x) is (2sqrt(x)-7)/(x^2)