z-9/z-4z-25/11z

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Solution for z-9/z-4z-25/11z equation: 


D( z )

z = 0

z = 0

z = 0

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

z-(4*z)-((25/11)*z)-(9/z) = 0

z-4*z+(-25/11)*z-9*z^-1 = 0

-58/11*z^1-9*z^-1 = 0

(-58/11*z^2-9*z^0)/(z^1) = 0 // * z^2

z^1*(-58/11*z^2-9*z^0) = 0

z^1

(-58/11)*z^2-9 = 0

(-58/11)*z^2-9 = 0

DELTA = 0^2-(-9*4*(-58/11))

DELTA = -2088/11

DELTA < 0

z in { } 

z belongs to the empty set

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