What is the integral of e^{0.2t} ?

The integral of e^{0.2t} is 5e^{0.2t}+C

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integral of e^{0.2t}

\int e^{0.2 t} d t

5 e^{0.2 t} + C

Solution steps

\int e^{0.2 t} d t

Apply u-substitution

: \int e^{u} \frac{1}{0.2} d u

= \int e^{u} \frac{1}{0.2} d u

Take the constant out:

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

= \frac{1}{0.2} \cdot \int e^{u} d u

Simplify

= 5 \cdot \int e^{u} d u

Use the common integral:

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

= 5 e^{u}

Substitute back

u = 0.2 t

= 5 e^{0.2 t}

Add a constant to the solution

= 5 e^{0.2 t} + C

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