z^2-169/16

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Solution for z^2-169/16 equation: 


z in (-oo:+oo)

z^2-(169/16) = 0

z^2-169/16 = 0

1*z^2 = 169/16 // : 1

z^2 = 169/16

z^2 = 169/16 // ^ 1/2

abs(z) = 13/4

z = 13/4 or z = -13/4

z in { 13/4, -13/4 }

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