What is the derivative of (-x^2+64/((x^2+64)^2)) ?

The derivative of (-x^2+64/((x^2+64)^2)) is -(2x(-x^2+192))/((x^2+64)^3)

What is the first derivative of (-x^2+64/((x^2+64)^2)) ?

The first derivative of (-x^2+64/((x^2+64)^2)) is -(2x(-x^2+192))/((x^2+64)^3)

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\frac{d}{d x} (\frac{- x ^{2} + 64}{( x ^{2} + 64 ) ^{2}})

- \frac{2 x ( - x ^{2} + 192 )}{( x ^{2} + 64 ) ^{3}}

Solution steps

\frac{d}{d x} (\frac{- x ^{2} + 64}{( x ^{2} + 64 ) ^{2}})

Apply the Quotient Rule:

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

= \frac{\frac{d}{d x} ( - x ^{2} + 64 ) ( x ^{2} + 64 ) ^{2} - \frac{d}{d x} ( ( x ^{2} + 64 ) ^{2} ) ( - x ^{2} + 64 )}{( ( x ^{2} + 64 ) ^{2} ) ^{2}}

\frac{d}{d x} (- x^{2} + 64) = - 2 x

\frac{d}{d x} ((x^{2} + 64)^{2}) = 4 x (x^{2} + 64)

= \frac{( - 2 x ) ( x ^{2} + 64 ) ^{2} - 4 x ( x ^{2} + 64 ) ( - x ^{2} + 64 )}{( ( x ^{2} + 64 ) ^{2} ) ^{2}}

Simplify

\frac{( - 2 x ) ( x ^{2} + 64 ) ^{2} - 4 x ( x ^{2} + 64 ) ( - x ^{2} + 64 )}{( ( x ^{2} + 64 ) ^{2} ) ^{2}} : - \frac{2 x ( - x ^{2} + 192 )}{( x ^{2} + 64 ) ^{3}}

= - \frac{2 x ( - x ^{2} + 192 )}{( x ^{2} + 64 ) ^{3}}

f (x) = cos (x) + x sin (x)

\frac{\partial}{\partial x} (4 x + 9 y)

\frac{\partial}{\partial x} (x^{4} + 5 x y^{9})

t \to 0 lim (t^{2})

\frac{\partial}{\partial y} (x ln (x + 2 y))

What is the derivative of (-x^2+64/((x^2+64)^2)) ?
The derivative of (-x^2+64/((x^2+64)^2)) is -(2x(-x^2+192))/((x^2+64)^3)
What is the first derivative of (-x^2+64/((x^2+64)^2)) ?
The first derivative of (-x^2+64/((x^2+64)^2)) is -(2x(-x^2+192))/((x^2+64)^3)