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## nickymarden 3 years ago im gonna post the equation

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1. nickymarden

$\int\limits_{}^{}\int\limits_{s}^{} F.etadS; S: x^2+y^2+z^2=R^2, x \ge0 and F=yj+zk$

2. nickymarden

it's not for me, i haven't studied this yet :P

3. inkyvoyd

Double integral with nasty nasty? @saifoo.khan , get over here.

4. saifoo.khan

Ouch. @amistre64

5. nickymarden

@amistre64

6. amistre64

what is an F.etadS;S ?

7. nickymarden

the answer is $4piR^3/3$

8. amistre64

F looks to be a vector; <0,y,z>

9. inkyvoyd

Oh, equation of circle, and volume

10. nickymarden

F times $F \times \eta dS$

11. nickymarden

yeah, it is.

12. amistre64

is there a specific topic to narrow down a search to in order to figure out the notation better?

13. nickymarden

Surface Integrals?

14. amistre64

thats better. yeah, i havent stumbled across to many of those yet :)

15. nickymarden

i never have, its not for me :P

16. amistre64

http://tutorial.math.lamar.edu/Classes/CalcIII/SurfaceIntegrals.aspx this is always helpful to me. they tend to give a rather clear overview of these sorts of things

17. nickymarden

thaanks :)))

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