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complex II (1 Viewer)

Thread starter =)(=
Start date Nov 11, 2022

?

=)(=

Active Member

#1

for ii are the answers (3±4i)/5 and (1±isqrt(3))/2 thx

D

Drongoski

Well-Known Member

#2

Looks like it.

$5x^4-11x^3+16x^2-11x+5 = x^2(5(x^2+\frac{1}{x^2}) -11(x+\frac{1}{x}) + 16) = 0$

Last edited: Nov 12, 2022

?

=)(=

Active Member

#3

thx

C

chilli 412

oo la la

#4

=)(= said:
View attachment 36995
for ii are the answers (3±4i)/5 and (1±isqrt(3))/2 thx

if you dont mind me asking how did you get those sols? i havent learned about polynomial stuff for complex no.s

?

=)(=

Active Member

#5

divide everything by x^2 then use i and solve for theta

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