2/z/-5=1

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Solution for 2/z/-5=1 equation: 


D( z )

z = 0

z = 0

z = 0

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

(2/z)/(-5) = 1 // - 1

(2/z)/(-5)-1 = 0

-2/5*z^-1 = 1 // : -2/5

z^-1 = -5/2

-1 < 0

1/(z^1) = -5/2 // * z^1

1 = -5/2*z^1 // : -5/2

-2/5 = z^1

z = -2/5

z = -2/5

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