Find a unit vector that is orthogonal to both u and v. u = 3i + j v = j + k Find a unit vector that is orthogonal to both U and V . U = 5i - 10j + 2k V = 10i + 20j - 6k Find a unit vector that is orthogonal to both u and v. u = (2, -...
Find A x B for the following choices: (a) A = 9i^ and B = 8i^ + 8j^ (b) A = 9i^ and B = 8 i^+ 8k^ (c) A = 3i^ + 2j^ and B = 2i^ + 3j^ Prove: A x (B x C) + B x (C x A)+ C x (A x B) = ...