22.4=2.8/x

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Solution for 22.4=2.8/x equation: 


D( x )

x = 0

x = 0

x = 0

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

22.4 = 2.8/x // - 2.8/x

22.4-(2.8/x) = 0

22.4-2.8*x^-1 = 0

-2.8*x^-1 = -22.4 // : -2.8

x^-1 = 8

-1 < 0

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

1 = 8*x^1 // : 8

1/8 = x^1

x = 1/8

x = 1/8

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