let-c-is-a-constant-vector-and-r-xi-yj-zk-then-proved-that-grad-c-r-n-n-c-r-n-2-c-r-c- Tinku Tara June 4, 2023 Vector Calculus 0 Comments FacebookTweetPin Question Number 84969 by subhankar10 last updated on 18/Mar/20