- #1

zhuyilun

- 27

- 0

## Homework Statement

if f has a continuous partial derivatives on R^3 and c is any circle ,then the integral of gradient f dot dr over c is zero

integral of f(x,y) ds over -c= - integral of f(x,y) ds over c

## Homework Equations

## The Attempt at a Solution

if the condition is not mentioned, then that statement is usually wrong

so i guess the second one is wrong

not quite sure about the first one