What is the integral from-1 to 3 of 1 ?

The integral from-1 to 3 of 1 is 4

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integral from-1 to 3 of 1

\int_{- 1}^{3} 1 d x

4

Solution steps

\int_{- 1}^{3} 1 d x

Integral of a constant:

\int a d x = a x

= [1 \cdot x]_{- 1}^{3}

Simplify

= [x]_{- 1}^{3}

Compute the boundaries:

4

= 4

\frac{d}{d x} (- 9 (3 x^{4} - x^{3} + 2 x)^{5})

5 x^{2} + 2 x y - 3 y^{2} + 3 = 0, (2, 1)

\int \frac{4 x}{x ^{2} + 4} d x

\frac{\partial}{\partial y} (2 x - 3 y + 5)

(x^{2} + 2) (x^{3} + 6)