2.5/x=x/1.6

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Solution for 2.5/x=x/1.6 equation: 


D( x )

x = 0

x = 0

x = 0

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

2.5/x = x/1.6 // - x/1.6

2.5/x-(x/1.6) = 0

2.5/x-0.625*x = 0

2.5*x^-1-0.625*x = 0

x^-1*(2.5-0.625*x^2) = 0

-0.625*x^2 = -2.5 // : -0.625

x^2 = 4

x^2 = 4 // ^ 1/2

abs(x) = 2

x = 2 or x = -2

1/x = 0

1*x^-1 = 0 // : 1

x^-1 = 0

x naleu017Cy do O

x in { 2, -2 }

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