What is the integral from 2 to 4 of 3x^3 ?

The integral from 2 to 4 of 3x^3 is 180

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integral from 2 to 4 of 3x^3

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

180

Solution steps

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

Take the constant out:

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

= 3 \cdot \int_{2}^{4} x^{3} d x

Apply the Power Rule

= 3 [\frac{x ^{4}}{4}]_{2}^{4}

Compute the boundaries:

60

= 3 \cdot 60

Simplify

= 180

What is the integral from 2 to 4 of 3x^3 ?
The integral from 2 to 4 of 3x^3 is 180