Answer
$\int_{-1}^{1} \frac{4}{x^2 +2}dx$
Work Step by Step
Using the function $f(x)=\frac{4}{x^2+2}$ and the interval [-1,1](given by the pink area), set up the Definite Integral
$\int_{-1}^{1} \frac{4}{x^2 +2}dx$
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