complex numbers Flashcards
1
Q
|Z - W| = r
A
this is a circle with centre W and radius R
2
Q
|Z - W|+|Z - V| = r
A
this is an ellipse with W and V being points on the long axis and R being the length of the long axis
3
Q
|Z - W|=|Z - V|
A
Perpendicular bisector of
line connecting W and V
4
Q
ARG (Z - (-1)) = pie/4
A
x intercept at -1 making an angle of pie/4
5
Q
how can r(cosx + isinx) be written as
A
re^ix
6
Q
how many solutions do we want for something to the power of
A
