Please answer quick, thank you for your time.
2 answers:
You might be interested in
Use the divergence theorem.
The flux of
across the tetrahedron's surface 
is then given by the integral of 
over the interior of the tetrahedron 
.
The flux of
#21
To find the area of rectangle, you multiple length by width, so that would be
Since we are talking about area \ length, x need to be positive so we don't need to worry about absolute value now.
#22
The area of triangle is
, so that would be
Hope this helps.
To find the area of rectangle, you multiple length by width, so that would be
Since we are talking about area \ length, x need to be positive so we don't need to worry about absolute value now.
#22
The area of triangle is
Hope this helps.