What is the integral from 2y to 3-y of x+y ?

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

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integral from 2y to 3-y of x+y

\int_{2 y}^{3 - y} x + y d x

- 5 y^{2} + 3 y + \frac{( - y + 3 ) ^{2}}{2}

Solution steps

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

\int_{2 y}^{3 - y} y d x = 3 y - 3 y^{2}

\int_{2 y}^{3 - y} x d x = \frac{( 3 - y ) ^{2}}{2} - 2 y^{2}

= 3 y - 3 y^{2} + \frac{( 3 - y ) ^{2}}{2} - 2 y^{2}

Simplify

= - 5 y^{2} + 3 y + \frac{( - y + 3 ) ^{2}}{2}

\int_{- 1}^{0} (x^{3} - 2 x + 3) d x

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\int_{1}^{4} x + 2 d x

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

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