No need to rush. I just wanna recheck my work. (Norate for helpful if i don't understand your writings, please make it readable and more friendly)

UNIT VECTORS: O 1. Given three vectors A = -2i + 3j + 4k, B = 3i + 1j - 3k and C = 3i -4j + 2k, do the following: a) Find the magnitude of each vector b) Write an expression for the vector sum A + B using unit vectors c) Write an expression for the vector difference A - C using unit vectors d) Find the scalar product A . B e) Find the cross product A x B f) Find the angle between A and B g) Find (A x C) . B