What is the integral from 1 to 3 of (2) ?

The integral from 1 to 3 of (2) is 4

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integral from 1 to 3 of (2)

\int_{1}^{3} (2) d x

4

Solution steps

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

Integral of a constant:

\int a d x = a x

= [2 x]_{1}^{3}

Compute the boundaries:

4

= 4

\int_{3}^{4} \frac{8}{x ^{2}} d x

\int_{\frac{π}{2}}^{π} (1 + cos (θ))^{2} d θ

\int_{- \infty}^{1} 6 - y d y

\int_{0}^{2} (12 x^{2} + 1) d x

\int_{1}^{\infty} \frac{1}{1 + n ^{2}}