Choose the correct options for the following questions.
(0,0) is the
Difficulty: Easy
A:
Additive inverse of a complex number
B:
Multiplicative identity of a complex number
C:
Multiplicative inverse of a complex number
D:
Additive identity of a complex number
The imaginary part of a complex number $x+\iota y$ is
Difficulty: Hard
A:
x
B:
y
C:
(x,y)
D:
$\iota$
In the algebra of real numbers we can replace -1 with
Difficulty: Easy
A:
$\iota$
B:
$\iota ^{2}$
C:
|-1|
D:
$-\sqrt{1}$
Premium content
Sign in and upgrade to continue reading.