What is the integral from 0 to 1 of 8x^2ln(x) ?

The integral from 0 to 1 of 8x^2ln(x) is -8/9

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integral from 0 to 1 of 8x^2ln(x)

\int_{0}^{1} 8 x^{2} ln (x) d x

- \frac{8}{9}

Decimal

- 0.88888 \dots

Solution steps

\int_{0}^{1} 8 x^{2} ln (x) d x

Take the constant out:

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

= 8 \cdot \int_{0}^{1} x^{2} ln (x) d x

Apply Integration By Parts

: [\frac{1}{3} x^{3} ln (x) - \int \frac{x ^{2}}{3} d x]_{0}^{1}

= 8 [\frac{1}{3} x^{3} ln (x) - \int \frac{x ^{2}}{3} d x]_{0}^{1}

\int \frac{x ^{2}}{3} d x = \frac{x ^{3}}{9}

= 8 [\frac{1}{3} x^{3} ln (x) - \frac{x ^{3}}{9}]_{0}^{1}

Compute the boundaries:

- \frac{1}{9}

= 8 (- \frac{1}{9})

Simplify

= - \frac{8}{9}

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What is the integral from 0 to 1 of 8x^2ln(x) ?
The integral from 0 to 1 of 8x^2ln(x) is -8/9