28-8i/4i

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Solution for 28-8i/4i equation: 


i in (-oo:+oo)

28-(((8*i)/4)*i) = 0

28-2*i^2 = 0

-2*i^2 = -28 // : -2

i^2 = 14

i^2 = 14 // ^ 1/2

abs(i) = 14^(1/2)

i = 14^(1/2) or i = -14^(1/2)

i in { 14^(1/2), -14^(1/2) }

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