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Multivariable Calculus

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Density of Normal Distribution

MVCALC-TOXZ10

Calculate $\int_{-\infty}^{\infty} e^{-\frac{x^2}{2}}dx$ using appropriate double integral.

A

$2\pi$

B

$\pi$

C

$\sqrt{2\pi}$

D

$\sqrt{\pi}$

E

$\frac{\sqrt{\pi}}{2}$