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Popular >

derivative of f(x)= x/(x+8)

Solution

derivative of

f (x) = \frac{x}{x + 8}

Solution

\frac{8}{( x + 8 ) ^{2}}

Solution steps

\frac{d}{d x} (\frac{x}{x + 8})

Apply the Quotient Rule:

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

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

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

\frac{d}{d x} (x + 8) = 1

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

1 \cdot (x + 8) - 1 \cdot x = 8

= \frac{8}{( x + 8 ) ^{2}}

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Frequently Asked Questions (FAQ)

What is the derivative of f(x)= x/(x+8) ?
The derivative of f(x)= x/(x+8) is 8/((x+8)^2)
What is the first derivative of f(x)= x/(x+8) ?
The first derivative of f(x)= x/(x+8) is 8/((x+8)^2)