Problem 3 Check product rule (iv) (by calculating each term separately) for the functions:
A=x^x+2 y^y+3 z^z ;B=3 y^x-2 x^y.
Rule (iv) ∇ . (A × B) = {B . (∇ × A) - A. (∇ × B),

Problem 3 Check product rule iv by calculating each term separately for the functions Axx2 yy3 zz B3 yx2 xy Rule iv A B B A A B class=