MM
Mashaal Masha
Sep 23, 2022
Choose the correct options for the following questions.
If $a>b$, then according to additive property of inequalities $a+c$____ $b+c$
Difficulty: Easy
A:
$>$
B:
$<$
C:
$=$
D:
None of these
Additive inverse of a complex number $(a, b)$ is written as:
Difficulty: Easy
A:
$(-a, b)$
B:
$(a, -b)$
C:
$(-a, -b)$
D:
$(\frac{1}{a},\frac{1}{b})$
What is the area of a rectangular room whose length is $5 - 3i$ and width is $2i$?
Difficulty: Easy
A:
$6+10i$
B:
$5-i$
C:
$16$
D:
$8$
Real part of $(2-3i)^{6}$ is
Difficulty: Easy
A:
$64$
B:
$2035$
C:
$828$
D:
$132$
Modulus of $i$ is equal to
Difficulty: Easy
A:
$i$
B:
$-i$
C:
$1$
D:
$-1$
Real part of $(4-i)^{2}$ is
Difficulty: Easy
A:
8
B:
15
C:
23
D:
7
Iota expressed in the form of coordinates is
Difficulty: Easy
A:
$(0,1)$
B:
$(1,0)$
C:
$(0,0)$
D:
It is impossible to express a complex number in the form of coordinates
Additive inverse of $8+\sqrt{2}i$ is
Difficulty: Easy
A:
$8-\sqrt{2}i$
B:
$-8+\sqrt{2}i$
C:
$-8-\sqrt{2}i$
D:
None of these
The real part of the complex number $6(2-3i)$ is
Difficulty: Easy
A:
2
B:
12
C:
$-3$
D:
$-18$
Simplify the expression $(1+i)^{8}$
Difficulty: Easy
A:
$-16$
B:
$16$
C:
$32$
D:
$-32$