MATH 121 - Linear Algebra
Assignment #1
Due: Friday, Jan 23, 2009

p.13 #5, 12, 14, 19, 21

p.26 #2, 3, 6, 8, 13, 15, 19, 20, 22, 31, 34, 37, 42, 46, 60, 63

[Hint for #60: Use the given information to compute ǁu+vǁ squared, then take the square root.]

[Hint for #63: Use the formula (p.24) for the projection and then just compute out the dot product and show you will always get zero.]