0.4/1.2=1/x

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Solution for 0.4/1.2=1/x equation: 


D( x )

x = 0

x = 0

x = 0

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

0.4/1.2 = 1/x // - 1/x

0.4/1.2-(1/x) = 0

0.4/1.2-x^-1 = 0

-1*x^-1 = -0.33333333 // : -1

x^-1 = 0.33333333

-1 < 0

1/(x^1) = 0.33333333 // * x^1

1 = 0.33333333*x^1 // : 0.33333333

3.00000003 = x^1

x = 3.00000003

x = 3.00000003

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