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Multivariable Calculus

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Iterated Integral with Fractional Integrand

MVCALC-11UC6E

Evaluate the iterated integral:

$$\int_0^1\int_0^1 \frac{2y}{1+x^2}dxdy$$

A

$\cfrac{\pi}{4}$

B

$\cfrac{\pi}{2}$

C

$\pi$

D

$\ln \pi$

E

$e^{\pi}$