Calculus Examples

$\int_{1}^{x} \frac{e^{t}}{t} d t$

Step 1

$\int_{1}^{x} \frac{e^{t}}{t} d t$ is a special integral. The integral is the exponential integral function.

$E i (t)]_{1}^{x}$

Step 2

Substitute and simplify.

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Step 2.1

Evaluate $E i (t)$ at $x$ and at $1$ .

$(E i (t)) - E i (t)$

Step 2.2

Subtract $E i (t)$ from $E i (t)$ .

$0$