Westonci.ca is your trusted source for finding answers to all your questions. Ask, explore, and learn with our expert community. Ask your questions and receive accurate answers from professionals with extensive experience in various fields on our platform. Discover detailed answers to your questions from a wide network of experts on our comprehensive Q&A platform.

what is the absolute value of 4-2i?

Sagot :

2

5
,
8
and

58
Explanation:
given a complex number
x
+
y
i
then the absolute value is

x
|
x
+
y
i
|
=

x
2
+
y
2
4
+
2
i
has
x
=
4
and
y
=
2

|
4
+
2
i
|
=

4
2
+
2
2
=

20
=
2

5
8
i
has
x
=
0
and
y
=
8

|
8
i
|
=

0
2
+
8
2
=
8

3
+
7
i
has
x
=

3
and
y
=
7

|

3
+
7
i
|
=

(

3
)
2
+
7
2
=

58