(-9/x)/((-9/x)-8)

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Solution for (-9/x)/((-9/x)-8) equation: 


D( x )

-9/x-8 = 0

x = 0

-9/x-8 = 0

-9/x-8 = 0

-9*x^-1 = 8 // : -9

x^-1 = -8/9

-1 < 0

1/(x^1) = -8/9 // * x^1

1 = -8/9*x^1 // : -8/9

-9/8 = x^1

x = -9/8

x = 0

x = 0

x in (-oo:-9/8) U (-9/8:0) U (0:+oo)

(-9/x)/(-9/x-8) = 0

(-9*x^-1)/(-9*x^-1-8) = 0

-9*x^-1 = 0 // : -9

x^-1 = 0

x należy do O

x belongs to the empty set

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