Find two unit vectors that are perpendicular to both j + 3k and i − 3j + 5k. (Enter your answers as a comma-separated list.)

Question

Find two unit vectors that are perpendicular to both j + 3k and i − 3j + 5k.

 (Enter your answers as a comma-separated list.)

Answer 1

The cross product, v, of the 2 given vectors is perpendicular to both.

u = v / llvll and -u are unit vectors perpendicular to both of the given vectors.