12z/z^2=36

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Solution for 12z/z^2=36 equation: 


D( z )

z^2 = 0

z^2 = 0

z^2 = 0

1*z^2 = 0 // : 1

z^2 = 0

z = 0

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

(12*z)/(z^2) = 36 // - 36

(12*z)/(z^2)-36 = 0

12*z^-1 = 36 // : 12

z^-1 = 3

-1 < 0

1/(z^1) = 3 // * z^1

1 = 3*z^1 // : 3

1/3 = z^1

z = 1/3

z = 1/3

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