Complex root

Solving z^n=w

Solve z^2=4

Solve z^2=-4

Solve z^2=4

flashcards

QuestionAnswer
How many solutions does an equation of the form z^n=w have?There will be n solutions.
What shape do the solutions of z^n=w form on an Argand diagram?They form a regular n-sided polygon centred at the origin.
Solve z^2=4.z=2 or z=-2
Solve z^2=-4.z=2i or z=-2i
Solve z^2=4.z=2 or z=-2