19/z=1

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Solution for 19/z=1 equation: 


D( z )

z = 0

z = 0

z = 0

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

19/z = 1 // - 1

19/z-1 = 0

19*z^-1 = 1 // : 19

z^-1 = 1/19

-1 < 0

1/(z^1) = 1/19 // * z^1

1 = 1/19*z^1 // : 1/19

19 = z^1

z = 19

z = 19

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