What is the integral from-1 to 3 of 5x^2 ?

The integral from-1 to 3 of 5x^2 is 140/3

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integral from-1 to 3 of 5x^2

\int_{- 1}^{3} 5 x^{2} d x

\frac{140}{3}

Decimal

46.66666 \dots

Solution steps

\int_{- 1}^{3} 5 x^{2} d x

Take the constant out:

\int a \cdot f (x) d x = a \cdot \int f (x) d x

= 5 \cdot \int_{- 1}^{3} x^{2} d x

Apply the Power Rule

= 5 [\frac{x ^{3}}{3}]_{- 1}^{3}

Compute the boundaries:

\frac{28}{3}

= 5 \cdot \frac{28}{3}

Simplify

= \frac{140}{3}

What is the integral from-1 to 3 of 5x^2 ?
The integral from-1 to 3 of 5x^2 is 140/3