3/z=12

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Solution for 3/z=12 equation: 


D( z )

z = 0

z = 0

z = 0

z in (-oo:0) U (0:+oo)

3/z = 12 // - 12

3/z-12 = 0

3*z^-1 = 12 // : 3

z^-1 = 4

-1 < 0

1/(z^1) = 4 // * z^1

1 = 4*z^1 // : 4

1/4 = z^1

z = 1/4

z = 1/4

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