Define the vectors:
u = 5l - 2j + 4k, v = -21 + 7J + 3k, and w = 81 + lj - 3k
Use the vectors to verify the identity:
(u + v)·[(v + w)x(w + u)] = 2u·(v × w)
Use MATLAB's built-in functions cross and dot, calculate the value of the left and right sides of the identity