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Popular Calculus >

integral of+(x^2-1)

Solution

\int + (x^{2} - 1) d x

Solution

\frac{x ^{3}}{3} - x + C

Solution steps

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

\int x^{2} d x = \frac{x ^{3}}{3}

\int 1 d x = x

= \frac{x ^{3}}{3} - x

Add a constant to the solution

= \frac{x ^{3}}{3} - x + C

Graph

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Frequently Asked Questions (FAQ)

What is the integral of+(x^2-1) ?
The integral of+(x^2-1) is (x^3)/3-x+C