What is the integral of 2t*e^{t^2} ?

The integral of 2t*e^{t^2} is e^{t^2}+C

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integral of 2t*e^{t^2}

\int 2 t \cdot e^{t^{2}} d t

e^{t^{2}} + C

Solution steps

\int 2 t e^{t^{2}} d t

Take the constant out:

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

= 2 \cdot \int t e^{t^{2}} d t

Apply u-substitution

: \int \frac{e ^{u}}{2} d u

= 2 \cdot \int \frac{e ^{u}}{2} d u

Take the constant out:

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

= 2 \cdot \frac{1}{2} \cdot \int e^{u} d u

Use the common integral:

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

= 2 \cdot \frac{1}{2} e^{u}

Substitute back

u = t^{2}

= 2 \cdot \frac{1}{2} e^{t^{2}}

Simplify

2 \cdot \frac{1}{2} e^{t^{2}} : e^{t^{2}}

= e^{t^{2}}

Add a constant to the solution

= e^{t^{2}} + C

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