What is the integral from y to x of (e^t)/t ?

The integral from y to x of (e^t)/t is \Ei(x)-\Ei(y)

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integral from y to x of (e^t)/t

\int_{y}^{x} \frac{e ^{t}}{t} d t

Ei (x) - Ei (y)

Solution steps

\int_{y}^{x} \frac{e ^{t}}{t} d t

Use the nonelementary integral:

\int \frac{e ^{x}}{x} d x = Ei (x)

= [Ei (t)]_{y}^{x}

Compute the boundaries:

Ei (x) - Ei (y)

= Ei (x) - Ei (y)

(32) (41.5)

\frac{\partial}{\partial x} (\frac{x}{x ^{4} - y ^{6}})

\int cos^{2} (x) tan^{3} (x) d x

f (x) = \frac{e ^{x}}{x ^{2}}

x \to \frac{1}{4} lim (8 x (x - \frac{1}{5}))

What is the integral from y to x of (e^t)/t ?
The integral from y to x of (e^t)/t is \Ei(x)-\Ei(y)