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Popular >

integral from 1 to 3 of x+1

Solution

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

Solution

6

Solution steps

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

Apply the Sum Rule:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= \int_{1}^{3} x d x + \int_{1}^{3} 1 d x

\int_{1}^{3} x d x = 4

\int_{1}^{3} 1 d x = 2

= 4 + 2

Simplify

= 6

Graph

Popular Examples

integral from 2 to 5 of (x^2+4)

\int_{2}^{5} (x^{2} + 4) d x

integral from 0 to 1 of ((x+3)-(x^5+3))

\int_{0}^{1} ((x + 3) - (x^{5} + 3)) d x

integral from 0 to 4 of (2x+1)

\int_{0}^{4} (2 x + 1) d x

integral from-pi to pi of pi^2-x^2

\int_{- π}^{π} π^{2} - x^{2} d x

integral from 1 to 2 of (3x)/(sqrt(4-x))

\int_{1}^{2} \frac{3 x}{4 - x} d x

Frequently Asked Questions (FAQ)

What is the integral from 1 to 3 of x+1 ?
The integral from 1 to 3 of x+1 is 6