What is the integral from-1 to 2 of 1 ?

The integral from-1 to 2 of 1 is 3

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integral from-1 to 2 of 1

\int_{- 1}^{2} 1

3

Solution steps

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

Integral of a constant:

\int a d x = a x

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

Simplify

= [x]_{- 1}^{2}

Compute the boundaries:

3

= 3

\int \frac{6}{5 x ^{2}} d x

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\int x cos (3 x + 2) d x

- \frac{1}{ln ( 2 ) x ^{2}}

\int ln (5 + x) d x