Hi,

Any help with GR9367 question 63?

Let R be the circular region of the xy plane with the center at the origin and radius 2.

Then:

Double Integral (over R) of e ^ -(x^2 + y^2) dx dy = ?

A. 4 * Pi

B. Pi *exp(-4)

C. 4* Pi * exp(-4)

D. Pi * (1 - exp(-4))

E. 4*Pi*(exp(1) - exp(-4))

Thanks!