What is the derivative of-2x^2-1 ?

The derivative of-2x^2-1 is -4x

What is the first derivative of-2x^2-1 ?

The first derivative of-2x^2-1 is -4x

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derivative of

- 2 x^{2} - 1

- 4 x

Solution steps

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

Apply the Sum/Difference Rule:

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

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

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

\frac{d}{d x} (1) = 0

= - 4 x - 0

Simplify

= - 4 x

x \to \frac{π}{6} lim (cos (- 5 x))

x^{2} e^{3 x}, - 2

\int \frac{x + 6}{x ^{2} + 25} d x

\int \frac{x ^{2}}{4 x - x ^{2}} d x

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