SOLUTION: Find all solutions of the equation x^4 - 625i = 0
I have
625i = 625cis(90)
4th roots = 5cis(90/4), 5cis(450/4), 5cis(810/4) and 5cis(1170/4) = 5(cos(22.5) + isin(22.5))
ar
Algebra ->
Finance
-> SOLUTION: Find all solutions of the equation x^4 - 625i = 0
I have
625i = 625cis(90)
4th roots = 5cis(90/4), 5cis(450/4), 5cis(810/4) and 5cis(1170/4) = 5(cos(22.5) + isin(22.5))
ar
Log On
Question 1077707: Find all solutions of the equation x^4 - 625i = 0
I have
625i = 625cis(90)
4th roots = 5cis(90/4), 5cis(450/4), 5cis(810/4) and 5cis(1170/4) = 5(cos(22.5) + isin(22.5))
are these results displayed "graphically?" If not, please help me make them so. Answer by ikleyn(52884) (Show Source):
