What is the integral from 0 to 2 of (x^2-3x+5) ?

The integral from 0 to 2 of (x^2-3x+5) is 20/3

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integral from 0 to 2 of (x^2-3x+5)

\int_{0}^{2} (x^{2} - 3 x + 5) d x

\frac{20}{3}

Decimal

6.66666 \dots

Solution steps

\int_{0}^{2} x^{2} - 3 x + 5 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_{0}^{2} x^{2} d x - \int_{0}^{2} 3 x d x + \int_{0}^{2} 5 d x

\int_{0}^{2} x^{2} d x = \frac{8}{3}

\int_{0}^{2} 3 x d x = 6

\int_{0}^{2} 5 d x = 10

= \frac{8}{3} - 6 + 10

Simplify

\frac{8}{3} - 6 + 10 : \frac{20}{3}

= \frac{20}{3}

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What is the integral from 0 to 2 of (x^2-3x+5) ?
The integral from 0 to 2 of (x^2-3x+5) is 20/3