What is the integral from 0 to 1 of 6xy(2-x-y) ?

The integral from 0 to 1 of 6xy(2-x-y) is 6y(1-y/2-1/3)

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integral from 0 to 1 of 6xy(2-x-y)

\int_{0}^{1} 6 x y (2 - x - y) d x

6 y (1 - \frac{y}{2} - \frac{1}{3})

Solution steps

\int_{0}^{1} 6 x y (2 - x - y) d x

Take the constant out:

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

= 6 y \cdot \int_{0}^{1} (2 - y - x) x d x

Expand

(2 - y - x) x : 2 x - y x - x^{2}

= 6 y \cdot \int_{0}^{1} 2 x - y x - x^{2} 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

= 6 y (\int_{0}^{1} 2 x d x - \int_{0}^{1} y x d x - \int_{0}^{1} x^{2} d x)

\int_{0}^{1} 2 x d x = 1

\int_{0}^{1} y x d x = \frac{y}{2}

\int_{0}^{1} x^{2} d x = \frac{1}{3}

= 6 y (1 - \frac{y}{2} - \frac{1}{3})

\int_{9}^{16} 5 x d x

\int_{1}^{2} (x^{3} - 6 x) d x

\int_{0}^{1} 4 x - 3 x^{2} - x^{3} d x

\int_{0}^{2} 2 x + x d x

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

What is the integral from 0 to 1 of 6xy(2-x-y) ?
The integral from 0 to 1 of 6xy(2-x-y) is 6y(1-y/2-1/3)