What is the derivative of (sqrt(x)/(7x+1)) ?

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

What is the first derivative of (sqrt(x)/(7x+1)) ?

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

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

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

Solution steps

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

Apply the Quotient Rule:

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

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

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

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

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

Simplify

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

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

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