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Multivariable Calculus

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Iterated Integral with Polar Coordinates

MVCALC-1ELXKA

Evaluate the following iterated integral:

$$I=\int_0^4 \int_0^{\pi} 2r\sin^2\theta d\theta dr$$

A

$\pi$

B

$2\pi$

C

$4\pi$

D

$8\pi$

E

$12\pi$