What is the derivative of (4x/(4+sqrt(x))) ?

The derivative of (4x/(4+sqrt(x))) is (2(sqrt(x)+8))/((4+sqrt(x))^2)

What is the first derivative of (4x/(4+sqrt(x))) ?

The first derivative of (4x/(4+sqrt(x))) is (2(sqrt(x)+8))/((4+sqrt(x))^2)

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

\frac{2 ( x + 8 )}{( 4 + x ) ^{2}}

Solution steps

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

Take the constant out:

(a \cdot f)^{'} = a \cdot f^{'}

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

Apply the Quotient Rule:

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

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

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

\frac{d}{d x} (4 + x) = \frac{1}{2 x}

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

Simplify

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

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

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