Q-1-Express-div-A-A-in-orthogonal-coordinates-Q-2-Express-2-in-orthogonal-curvilinear-coordinates-Q-3-Express-a-Aand-b-2-in-spherical-coordinates-

Question Number 6641 by WAI LIN last updated on 07/Jul/16

Q (1) E x p r e s s d i v A = ▽ . A i n o r t h o g o n a l c o o r d i n a t e s .

Q (2) E x p r e s s ▽^{2} ϕ i n o r t h o g o n a l c u r v i l i n e a r c o o r d i n a t e s .

Q (3) E x p r e s s (a) ▽ \times A a n d (b) ▽^{2} ϕ i n s p h e r i c a l c o o r d i n a t e s .