What is the integral from 0 to-2 of 3 ?

The integral from 0 to-2 of 3 is -6

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integral from 0 to-2 of 3

\int_{0}^{- 2} 3 d x

- 6

Solution steps

\int_{0}^{- 2} 3 d x

\int_{a}^{b} f (x) d x = - \int_{b}^{a} f (x) d x, a < b

= - \int_{- 2}^{0} 3 d x

Integral of a constant:

\int a d x = a x

= - [3 x]_{- 2}^{0}

Compute the boundaries:

6

= - 6