hwk8.1 - due tues 3/26

M
3.3#32,33,35,37,38,80

W
3.3#36,39,81,83
ch3review p.152#44,49
(Hint on #49 - When you see an expression like AB=AC, it is often helpful to rewrite as 0=____.  Here, write 0=AB-AC=A(B-C).  Consider the transformations done by the matrix B-C and the matrix A.  Draw a blob diagram.  Let it help you.)

F
Finish proof of Thm 3.2.10 (do the other direction)
3.4#13,15,17
7.1#49,52