Q1:
|
How many roots has the equation z4 = 3 + 2i? |
A. 1
B. 2
C. 3
D. 4
|
Answer 1:
|
|
Q2:
|
Expand (2 cis 2)3 |
A. 6 cis 6
B. 8 cis 6
C. 8 cis 8
D. 6 cis 8
|
Answer 2:
|
|
Q3:
|
z = 3 + 3i.
Write z in polar form.
|
A. 3 cis
B. 9 cis
C. √18 cis
D. 3 cis
|
Answer 3:
|
|
Q4:
|
If z = 3 + 3i
Find z2
|
A. √18 cis
B. 18 cis
C. √18 cis
D. 18 cis
|
Answer 4:
|
|
Q5:
|
|
A. 81 cis( 3.364)
B. 81 cis ( 0.841)
C. 12 cis ( 0.841)
D. 12 cis (3.364)
|
Answer 5:
|
|