1. Calculate the following: | |||||
a
|
(3 + 6i)(2 + 5i) |
b
|
(4 − 3i)(1 + 2i) |
c
|
(1 + 2i)(2 + i) |
d
|
(3 − 4i)(6 + 2i) |
e
|
(3 + 4i)2 |
f
|
(5 − i)2 |
g
|
i(2 + 4i)(3 + 5i) |
h
|
(1 + 3i)3 |
i
|
(4i)3 |
j
|
(-5i)4 |
k
|
(1 + 3i)4 |
l
|
(1 + 2i)5 |
m
|
n
|
o
|
|||
p
|
q
|
r
|
|||
s
|
t
|
u
|
|||
2. Let k = 2 + i , t = 1 − 2i and w = 3 + 4i and is the conjugate of k. | |||||
a
|
b
|
c
|