-10/7z=3/z+1/7

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Solution for -10/7z=3/z+1/7 equation: 


D( z )

z = 0

z = 0

z = 0

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

(-10/7)*z = 3/z+1/7 // - 3/z+1/7

(-10/7)*z-(3/z)-(1/7) = 0

(-10/7)*z-3*z^-1-1/7 = 0

-10/7*z^1-3*z^-1-1/7*z^0 = 0

(-10/7*z^2-1/7*z^1-3*z^0)/(z^1) = 0 // * z^2

z^1*(-10/7*z^2-1/7*z^1-3*z^0) = 0

z^1

(-10/7)*z^2+(-1/7)*z-3 = 0

(-10/7)*z^2+(-1/7)*z-3 = 0

DELTA = (-1/7)^2-(-3*4*(-10/7))

DELTA = -839/49

DELTA < 0

z in { } 

z belongs to the empty set

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