12(x/2-2/x)

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Solution for 12(x/2-2/x) equation: 


D( x )

x = 0

x = 0

x = 0

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

12*(x/2-(2/x)) = 0

12*(x/2-2*x^-1) = 0

12*(1/2*x-2*x^-1) = 0

1/2*x-2*x^-1 = 0

x^-1*(1/2*x^2-2) = 0

1/2*x^2 = 2 // : 1/2

x^2 = 4

x^2 = 4 // ^ 1/2

abs(x) = 2

x = 2 or x = -2

x^-1*(x-2)*(x+2) = 0

12*x^-1*(x-2)*(x+2) = 0

( x+2 )

x+2 = 0 // - 2

x = -2

( x-2 )

x-2 = 0 // + 2

x = 2

( x^-1 )

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

x^-1 = 0

x naleu017Cy do O

x in { -2, 2 }

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