Let a, b, c and y be the three dimensional vectors
a = 5j + 3k
b = -i + 8j + 7k
c = i + 7j
y = 8i + 8j
Perform the following operations on these vectors:
I) c · a + a · y =
II) (a · b) a =
III) ((c · c) a) · a =
Note: You can earn partial credit on this problem.