0.09x^2=4x^2/x^2

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Solution for 0.09x^2=4x^2/x^2 equation: 


D( x )

x^2 = 0

x^2 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

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

0.09*x^2 = (4*x^2)/(x^2) // - (4*x^2)/(x^2)

0.09*x^2-((4*x^2)/(x^2)) = 0

0.09*x^2-4 = 0

0.09*x^2 = 4 // : 0.09

x^2 = 44.44444444

x^2 = 44.44444444 // ^ 1/2

abs(x) = 44.44444444^(1/2)

x = 44.44444444^(1/2) or x = -44.44444444^(1/2)

x in { 44.44444444^(1/2), -44.44444444^(1/2) }

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