Mashaal Masha
Mashaal Masha
 Sep 23, 2022
0

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Choose the correct options for the following questions. 
If $a>b$, then according to additive property of inequalities $a+c$____ $b+c$
Difficulty: Easy
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A:

$>$

B:

$<$

C:

$=$

D:

None of these

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Additive inverse of a complex number $(a, b)$ is written as:
Difficulty: Easy
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A:

$(-a, b)$

B:

$(a, -b)$

C:

$(-a, -b)$

D:

$(\frac{1}{a},\frac{1}{b})$

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What is the area of a rectangular room whose length is $5 - 3i$ and width is $2i$?
Difficulty: Easy
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A:

$6+10i$

B:

$5-i$

C:

$16$

D:

$8$

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Real part of $(2-3i)^{6}$ is
Difficulty: Easy
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A:

$64$

B:

$2035$

C:

$828$

D:

$132$

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Modulus of $i$ is equal to
Difficulty: Easy
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A:

$i$

B:

$-i$

C:

$1$

D:

$-1$

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Real part of $(4-i)^{2}$ is
Difficulty: Easy
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A:

8

B:

15

C:

23

D:

7

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Iota expressed in the form of coordinates is
Difficulty: Easy
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A:
$(0,1)$
B:
$(1,0)$
C:
$(0,0)$
D:
It is impossible to express a complex number in the form of coordinates
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Additive inverse of $8+\sqrt{2}i$ is
Difficulty: Easy
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A:

$8-\sqrt{2}i$

B:

$-8+\sqrt{2}i$

C:

$-8-\sqrt{2}i$

D:

None of these

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The real part of the complex number $6(2-3i)$ is
Difficulty: Easy
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A:

2

B:

12

C:

$-3$

D:

$-18$

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Simplify the expression $(1+i)^{8}$
Difficulty: Easy
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A:

$-16$

B:

$16$

C:

$32$

D:

$-32$

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