6/z+1/2=9/z

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Solution for 6/z+1/2=9/z equation: 


D( z )

z = 0

z = 0

z = 0

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

6/z+1/2 = 9/z // - 9/z

6/z-(9/z)+1/2 = 0

6/z-9*z^-1+1/2 = 0

-3*z^-1 = -1/2 // : -3

z^-1 = 1/6

-1 < 0

1/(z^1) = 1/6 // * z^1

1 = 1/6*z^1 // : 1/6

6 = z^1

z = 6

z = 6

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