Question

Absolute value of 2 - i?

Answer 1

Maybe this will help.
http://www.mathwarehouse.com/algebra/complex-number/absolute-value-complex-number.php

Answer 2

\[\sqrt{a^2+b^2}\] which in this case is
\[\sqrt{2^2+1^2}\]

Answer 3

So 4?

Answer 4

HI!!

Answer 5

oh no dear it is not four!

Answer 6

what is \(2^2+1^2\)?

Answer 7

oh my dear this is not supposed to be that hard
what is two times two?

Answer 8

4

Answer 9

and one times one?

Answer 10

1

Answer 11

and 4+1?

Answer 12

5

Answer 13

right
final answer \(\sqrt5\) (not 16!!)

Answer 14

Thank you! I was putting way too much thought into it lol

Answer 15

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