Let a = 3
2 5
b = −2 7
3 −4
c = −5 3
2 −1
= 0
0 0
and = 0
0 1
evaluate the following.
a. a + b
b. b + a
c. a + (b + c)
d. (a + b) + c
e. a +
f. a +
g. a ⋅
h. ⋅ a
i. ⋅ a
j. a ⋅ b
k. b ⋅ a
l. a ⋅ c
m. c ⋅ a
n. a ⋅ b + a ⋅ c
o. a ⋅ (b + c)
p. a ⋅ b ⋅ c
q. c ⋅ b ⋅ a
r. a ⋅ c ⋅ b
s. det(a)
t. det(b)
u. det(c)
v.
w.
x. det(a ⋅ b ⋅ c)
y. det(c ⋅ b ⋅ a)