What is the derivative of x^4-2x ?

The derivative of x^4-2x is 4x^3-2

What is the first derivative of x^4-2x ?

The first derivative of x^4-2x is 4x^3-2

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\frac{d}{d x} (x^{4} - 2 x)

4 x^{3} - 2

Solution steps

\frac{d}{d x} (x^{4} - 2 x)

Apply the Sum/Difference Rule:

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

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

\frac{d}{d x} (x^{4}) = 4 x^{3}

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

= 4 x^{3} - 2

What is the derivative of x^4-2x ?
The derivative of x^4-2x is 4x^3-2
What is the first derivative of x^4-2x ?
The first derivative of x^4-2x is 4x^3-2