Summary: Math 213-001 201130
Assignment # 1 - Sample answers
1. Calculate u + v, u - v, u , v , 5v, -

2u.
(a) u = 2i - 3 + 5k, v =

2i + 6 - 5k
Answer u + v = (2 +

2)i + 3; u - v = (2 -

2)i - 9 + 10k;
u = 22 + (-3)2 + 52 =

38; v = (

2)2 + 62 + (-5)2 =

2 + 36 + 25 =

Source: Argerami, Martin - Department of Mathematics and Statistics, University of Regina

Collections: Mathematics