What is the derivative of 3x-x^3 ?

The derivative of 3x-x^3 is 3-3x^2

What is the first derivative of 3x-x^3 ?

The first derivative of 3x-x^3 is 3-3x^2

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

3 - 3 x^{2}

Solution steps

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

Apply the Sum/Difference Rule:

(f \pm g)^{'} = f^{'} \pm g^{'}

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

\frac{d}{d x} (3 x) = 3

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

= 3 - 3 x^{2}

x \to - \infty lim (x - e^{x})

\int e^{- x} d x

y = 3 x^{2} + 5 x

\int 64 - x^{2} d x

\frac{d}{d x} (\frac{36}{x ^{2} + 2})

What is the derivative of 3x-x^3 ?
The derivative of 3x-x^3 is 3-3x^2
What is the first derivative of 3x-x^3 ?
The first derivative of 3x-x^3 is 3-3x^2