What is the derivative of (x+5/(x-3)) ?

The derivative of (x+5/(x-3)) is -8/((x-3)^2)

What is the first derivative of (x+5/(x-3)) ?

The first derivative of (x+5/(x-3)) is -8/((x-3)^2)

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\frac{d}{d x} (\frac{x + 5}{x - 3})

- \frac{8}{( x - 3 ) ^{2}}

Solution steps

\frac{d}{d x} (\frac{x + 5}{x - 3})

Apply the Quotient Rule:

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

= \frac{\frac{d}{d x} ( x + 5 ) ( x - 3 ) - \frac{d}{d x} ( x - 3 ) ( x + 5 )}{( x - 3 ) ^{2}}

\frac{d}{d x} (x + 5) = 1

\frac{d}{d x} (x - 3) = 1

= \frac{1 \cdot ( x - 3 ) - 1 \cdot ( x + 5 )}{( x - 3 ) ^{2}}

Simplify

\frac{1 \cdot ( x - 3 ) - 1 \cdot ( x + 5 )}{( x - 3 ) ^{2}} : - \frac{8}{( x - 3 ) ^{2}}

= - \frac{8}{( x - 3 ) ^{2}}

What is the derivative of (x+5/(x-3)) ?
The derivative of (x+5/(x-3)) is -8/((x-3)^2)
What is the first derivative of (x+5/(x-3)) ?
The first derivative of (x+5/(x-3)) is -8/((x-3)^2)