This page requires a JavaScript-enabled browser
Instructions on how to enable your browser are contained in the help file.
Math 11 Chapter 2
Number System
Test - 5
1.
(Cosx + i Sinx)
m
= Sinmx + i. Cosmx.
a) True
b) False
2.
Z = 1 + ί in Polar form can be written as……………..
a)
√
2
(Cos π /4 + i sin π/4)
b)
√
2
(Cos π/2 + i sin π/2)
c) None
d)
√
2
(Cos /2 + i sine π/2)
3.
(Z-
`
Z)
2
is a ________________ number.
Click here to enter your answer!
4.
Simplify i14?
a) -1
b) i2
c) i
d) 0
5.
2 under root is?
a) Integer
b) Rational
c) Irrational
d) Prime
6.
Modulus of complex number 3 – 4i is ……….
a) 4
b) -5
c) 0
d) 5
7.
The property used in the equation 4+9 = 9+4 is?
a) Commutative property w.r.t. '+'
b) Associative property w.r.t. '+'
c) Distributive property
d) Additive inverse
8.
a/b = c/d
Û
ad=bc
Click here to enter your answer!
This is more feedback!
This is the feedback!
