Can someone help with math?
1 answer:
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Answer:
13
Step-by-step explanation:
We can consider the complex number as point with coordinates
where
is real part of the complex number and
is an imaginary part of the complex number.
The distance between two complex numbers is exactly tha distance between two points corresponding to each number.
Now find the distance between A and B:
On the complex plane, the number is mapped onto the point with coordinates
.
In other words, the x coordinate is the real part of the number, while the y coordinate is the complex part of the number.
Viceversa, if you start from a point , you can identify the number
.
So, the endpoints of the diagonal are the points and
. These are points A and C in the attached figure.
This means that points B and D have coordinates
So, the correspondant complex numbers are
