What is the derivative of (x^3-1/(x^3+1)) ?

The derivative of (x^3-1/(x^3+1)) is (6x^2)/((x^3+1)^2)

What is the first derivative of (x^3-1/(x^3+1)) ?

The first derivative of (x^3-1/(x^3+1)) is (6x^2)/((x^3+1)^2)

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

\frac{6 x ^{2}}{( x ^{3} + 1 ) ^{2}}

Solution steps

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

Apply the Quotient Rule:

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

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

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

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

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

Expand

3 x^{2} (x^{3} + 1) - 3 x^{2} (x^{3} - 1) : 6 x^{2}

= \frac{6 x ^{2}}{( x ^{3} + 1 ) ^{2}}

y^{^{''}} + y = cos (t)

f (x) = x^{3} - 3 x^{2} + 2 x - 2, at x = 2

\int 2 x^{2} + 2 x d x

\int e^{- 0.5 t} d t

\frac{\partial}{\partial x} (22 cos (x))

What is the derivative of (x^3-1/(x^3+1)) ?
The derivative of (x^3-1/(x^3+1)) is (6x^2)/((x^3+1)^2)
What is the first derivative of (x^3-1/(x^3+1)) ?
The first derivative of (x^3-1/(x^3+1)) is (6x^2)/((x^3+1)^2)