8/z^2-3/z^3

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Solution for 8/z^2-3/z^3 equation: 


D( z )

z^3 = 0

z^2 = 0

z^3 = 0

z^3 = 0

1*z^3 = 0 // : 1

z^3 = 0

z = 0

z^2 = 0

z^2 = 0

1*z^2 = 0 // : 1

z^2 = 0

z = 0

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

8/(z^2)-(3/(z^3)) = 0

8/(z^2)-3*z^-3 = 0

8*z^-2-3*z^-3 = 0

(8*z^1-3*z^0)/(z^3) = 0 // * z^6

z^3*(8*z^1-3*z^0) = 0

z^3

8*z-3 = 0

8*z^1 = 3 // : 8

z^1 = 3/8

z = 3/8

z in { 3/8} 

z = 3/8

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