2,5x-90/x=0

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Solution for 2,5x-90/x=0 equation: 


D( x )

x = 0

x = 0

x = 0

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

2.5*x-(90/x) = 0

2.5*x-90*x^-1 = 0

2.5*x-90*x^-1 = 0

x^-1*(2.5*x^2-90) = 0

2.5*x^2 = 90 // : 2.5

x^2 = 36

x^2 = 36 // ^ 1/2

abs(x) = 6

x = 6 or x = -6

1/x = 0

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

x^-1 = 0

x naleu017Cy do O

x in { 6, -6 }

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