May 2021 1 96 Report
Considere a matriz A =?

Considere a matriz A =

-1 -i 0

1 -1 -i

i³ 1 -i

Com elementos em C (complexos). Sendo z, z1 pertencentes a C, e z=detA, então a forma trigonometrica de z1= z-(1/z) + conj(z)/2 é:

Notação:

conj(z) = conjugado do complexo z

cisx = cosx + i.senx

a) (sqrt2).cis(5pi/4)

b) (sqrt2).cis(7pi/4)

c) 2.cis(pi/2)

d) 2.cis(3pi/2)

e) 1

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