What is the derivative of x^3-9x ?

The derivative of x^3-9x is 3x^2-9

What is the first derivative of x^3-9x ?

The first derivative of x^3-9x is 3x^2-9

English

Español

Português

Français

Deutsch

Italiano

Русский

中文(简体)

한국어

日本語

Tiếng Việt

עברית

العربية

\frac{d}{d x} (x^{3} - 9 x)

3 x^{2} - 9

Solution steps

\frac{d}{d x} (x^{3} - 9 x)

Apply the Sum/Difference Rule:

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

= \frac{d}{d x} (x^{3}) - \frac{d}{d x} (9 x)

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

\frac{d}{d x} (9 x) = 9

= 3 x^{2} - 9

What is the derivative of x^3-9x ?
The derivative of x^3-9x is 3x^2-9
What is the first derivative of x^3-9x ?
The first derivative of x^3-9x is 3x^2-9