Given are the following matrices:

A =

1	2	3
4	5	6

B =

4	3	2
2	3	4

C =

5

4

3

D =

9	6	5
8	4	3
7	2	1

E =

2	0	0
0	0	1
0	1	0

What is

a) B * B * C

b) C * C^T

^c) C^T * C

d) D * A

e) A * D * C

f) C^T * D

g) D + D^T

h) (D + D^T)^T

I) D * D

J) D^T * D