What is the first derivative of 2/5 x ?

The first derivative of 2/5 x is 2/5

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derivative of 2/5 x

\frac{d}{d x} (\frac{2}{5} x)

\frac{2}{5}

Decimal

0.4

Solution steps

\frac{d}{d x} (\frac{2}{5} x)

Take the constant out:

(a \cdot f)^{'} = a \cdot f^{'}

= \frac{2}{5} \frac{d x}{d x}

Apply the common derivative:

\frac{d x}{d x} = 1

= \frac{2}{5} \cdot 1

Simplify

= \frac{2}{5}