A. \(\rm \oint_c\vec F. d\vec r=\int \int_sCurl \ \vec F.\hat nds\)
B. \(\rm \int_cMdx+Ndy=\int \int_s\left(\frac{\partial N}{\partial x}+\frac{\partial M}{\partial y}\right)dxdy\)
C. grad is a vector normal to the surface Ø =C
D. VØ is the maximum rate of change of Ø
choose the correct answer from the options given below
1
A, B, D Only
2
B, C, D Only
3
A, C, D Only
4
A, D Only