8/2=125/x

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Solution for 8/2=125/x equation: 


D( x )

x = 0

x = 0

x = 0

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

8/2 = 125/x // - 125/x

8/2-(125/x) = 0

8/2-125*x^-1 = 0

-125*x^-1 = -4 // : -125

x^-1 = 4/125

-1 < 0

1/(x^1) = 4/125 // * x^1

1 = 4/125*x^1 // : 4/125

125/4 = x^1

x = 125/4

x = 125/4

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