Integral of $$$21$$$

The calculator will find the integral/antiderivative of $$$21$$$, with steps shown.

Find $$$\int 21\, dx$$$.

Apply the constant rule $$$\int c\, dx = c x$$$ with $$$c=21$$$:

$${\color{red}{\int{21 d x}}} = {\color{red}{\left(21 x\right)}}$$

Therefore,

$$\int{21 d x} = 21 x$$

Add the constant of integration:

$$\int{21 d x} = 21 x+C$$

$$$\int 21\, dx = 21 x + C$$$A

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