1.2=4/x

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Solution for 1.2=4/x equation: 


D( x )

x = 0

x = 0

x = 0

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

1.2 = 4/x // - 4/x

1.2-(4/x) = 0

1.2-4*x^-1 = 0

-4*x^-1 = -1.2 // : -4

x^-1 = 0.3

-1 < 0

1/(x^1) = 0.3 // * x^1

1 = 0.3*x^1 // : 0.3

3.33333333 = x^1

x = 3.33333333

x = 3.33333333

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