Types of vectors
Three-dimensional geometry and vector algebra · Mathematics
Study notes
Q: Given a = (3,4), find (a) its magnitude (b) the unit vector in its direction (c) a vector collinear with a of magnitude 10. (a) |a| = 5. (b) â = (3/5, 4/5). (c) 10·â = (6, 8). (Collinear: scalar multiple.)