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joemama69
May6-09, 04:49 PM
1. The problem statement, all variables and given/known data

F = xi + yj + zk, s = x^2 + y^2 + z^2

2. Relevant equations



3. The attempt at a solution

div F = 1+1+1=3

area of sphere = 4pi

i can just multiply them to get 12pi as an answer right?

dx
May6-09, 04:51 PM
No. You want the volume of the sphere, not the area.

joemama69
May8-09, 03:05 PM
ooooops

V of sphere = 4/3 pi r^3 where r = 1, V = 4/3 pi

so i got 4pi

dx
May8-09, 03:08 PM
Correct.