What is the derivative of 1/(sqrt(2x+8)) ?

The derivative of 1/(sqrt(2x+8)) is -1/((2x+8)^{3/2)}

What is the first derivative of 1/(sqrt(2x+8)) ?

The first derivative of 1/(sqrt(2x+8)) is -1/((2x+8)^{3/2)}

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\frac{d}{d x} (\frac{1}{2 x + 8})

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

Solution steps

\frac{d}{d x} (\frac{1}{2 x + 8})

Apply exponent rule:

\frac{1}{a} = a^{- 1}

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

Apply the chain rule:

- \frac{1}{2 ( 2 x + 8 ) ^{\frac{3}{2}}} \frac{d}{d x} (2 x + 8)

= - \frac{1}{2 ( 2 x + 8 ) ^{\frac{3}{2}}} \frac{d}{d x} (2 x + 8)

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

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

Simplify

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

= - \frac{1}{( 2 x + 8 ) ^{\frac{3}{2}}}

y^{^{''}} - 8 y^{^{'}} + 15 y = 2 e^{3 x}

e^{x}, x e^{x}, [0, 1]

\frac{\partial}{\partial x} (a ln (x) + b ln (y))

(t - 2)^{3}

- \frac{x}{2}

What is the derivative of 1/(sqrt(2x+8)) ?
The derivative of 1/(sqrt(2x+8)) is -1/((2x+8)^{3/2)}
What is the first derivative of 1/(sqrt(2x+8)) ?
The first derivative of 1/(sqrt(2x+8)) is -1/((2x+8)^{3/2)}