What is the integral from 2 to 0 of 1 ?

The integral from 2 to 0 of 1 is -2

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integral from 2 to 0 of 1

\int_{2}^{0} 1 d x

- 2

Solution steps

\int_{2}^{0} 1 d x

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

= - \int_{0}^{2} 1 d x

Integral of a constant:

\int a d x = a x

= - [1 \cdot x]_{0}^{2}

Simplify

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

Compute the boundaries:

2

= - 2

\int_{- 1}^{3} (x + 4) d x

\int_{0}^{2} (4 x - 8) d x

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