What is the integral from 0 to 1 of pi(1-y) ?

The integral from 0 to 1 of pi(1-y) is pi/2

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integral from 0 to 1 of pi(1-y)

\int_{0}^{1} π (1 - y) d y

\frac{π}{2}

Decimal Notation

1.57079 \dots

Solution steps

\int_{0}^{1} π (1 - y) d y

Take the constant out:

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

= π \cdot \int_{0}^{1} 1 - y d y

Apply the Sum Rule:

\int f (x) \pm g (x) d x = \int f (x) d x \pm \int g (x) d x

= π (\int_{0}^{1} 1 d y - \int_{0}^{1} y d y)

\int_{0}^{1} 1 d y = 1

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

= π (1 - \frac{1}{2})

Simplify

π (1 - \frac{1}{2}) : \frac{π}{2}

= \frac{π}{2}

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What is the integral from 0 to 1 of pi(1-y) ?
The integral from 0 to 1 of pi(1-y) is pi/2