What is the integral from 0 to 10 of xe^{-x^2} ?

The integral from 0 to 10 of xe^{-x^2} is (e^{100}-1)/(2e^{100)}

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integral from 0 to 10 of xe^{-x^2}

\int_{0}^{10} x e^{- x^{2}} d x

\frac{e ^{100} - 1}{2 e ^{100}}

Decimal

0.5

Solution steps

\int_{0}^{10} x e^{- x^{2}} d x

Apply u-substitution

: \int_{0}^{- 100} - \frac{e ^{u}}{2} d u

= \int_{0}^{- 100} - \frac{e ^{u}}{2} d u

\int_{a}^{b} f (x) d x = - \int_{b}^{a} f (x) d x, a < b

= - \int_{- 100}^{0} - \frac{e ^{u}}{2} d u

Take the constant out:

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

= - (- \frac{1}{2} \cdot \int_{- 100}^{0} e^{u} d u)

Use the common integral:

\int e^{u} d u = e^{u}

= - (- \frac{1}{2} [e^{u}]_{- 100}^{0})

Simplify

= \frac{1}{2} [e^{u}]_{- 100}^{0}

Compute the boundaries:

1 - \frac{1}{e ^{100}}

= \frac{1}{2} (1 - \frac{1}{e ^{100}})

Simplify

= \frac{e ^{100} - 1}{2 e ^{100}}

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What is the integral from 0 to 10 of xe^{-x^2} ?
The integral from 0 to 10 of xe^{-x^2} is (e^{100}-1)/(2e^{100)}