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## Homework Statement

[tex]\int(2dx/(x^2+4)[/tex]

from x= -[tex]\infty[/tex] to x=2

## Homework Equations

No specific ones.

## The Attempt at a Solution

So, from there I tried to split the integral into two, integrating between 2 and -2, and -2 and -[tex]\infty[/tex], but I got very lost trying to take the limits for these, partly because I don't know what to set as the approaching variables in each case. And integrating the function actually is another issue. Could someone take a look?

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