4-8i/4i

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Solution for 4-8i/4i equation: 


i in (-oo:+oo)

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

4-2*i^2 = 0

-2*i^2 = -4 // : -2

i^2 = 2

i^2 = 2 // ^ 1/2

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

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

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

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