Question

Hello, I would like to know how do I know when to use a line integral to evaluate a surface and when to use a surface integral to evaluate a line. Thank you

Answer 1

i believe a line integral is along an interval .... a path

a surface integral is across a defined region ... an area

Answer 2

http://www.math.duke.edu/~ng/math103x/linesurface.pdf

this might be useful

Answer 3

Thank you