z2=9/25

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Solution for z2=9/25 equation: 


z in (-oo:+oo)

z^2 = 9/25 // - 9/25

z^2-(9/25) = 0

z^2-9/25 = 0

1*z^2 = 9/25 // : 1

z^2 = 9/25

z^2 = 9/25 // ^ 1/2

abs(z) = 3/5

z = 3/5 or z = -3/5

z in { 3/5, -3/5 }

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