What is the integral from-2 to-1 of 3t^3+2t^2 ?

The integral from-2 to-1 of 3t^3+2t^2 is -79/12

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integral from-2 to-1 of 3t^3+2t^2

\int_{- 2}^{- 1} 3 t^{3} + 2 t^{2} d t

- \frac{79}{12}

Solution steps

\int_{- 2}^{- 1} 3 t^{3} + 2 t^{2} d t

Apply the Sum Rule:

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

= \int_{- 2}^{- 1} 3 t^{3} d t + \int_{- 2}^{- 1} 2 t^{2} d t

\int_{- 2}^{- 1} 3 t^{3} d t = - \frac{45}{4}

\int_{- 2}^{- 1} 2 t^{2} d t = \frac{14}{3}

= - \frac{45}{4} + \frac{14}{3}

Simplify

- \frac{45}{4} + \frac{14}{3} : - \frac{79}{12}

= - \frac{79}{12}

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What is the integral from-2 to-1 of 3t^3+2t^2 ?
The integral from-2 to-1 of 3t^3+2t^2 is -79/12