2.5=4/x

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Solution for 2.5=4/x equation: 


D( x )

x = 0

x = 0

x = 0

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

2.5 = 4/x // - 4/x

2.5-(4/x) = 0

2.5-4*x^-1 = 0

-4*x^-1 = -2.5 // : -4

x^-1 = 0.625

-1 < 0

1/(x^1) = 0.625 // * x^1

1 = 0.625*x^1 // : 0.625

1.6 = x^1

x = 1.6

x = 1.6

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