4-3/(x^2)

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Solution for 4-3/(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)

4-(3/(x^2)) = 0

4-3*x^-2 = 0

-3*x^-2 = -4 // : -3

x^-2 = 4/3

-2 < 0

1/(x^2) = 4/3 // * x^2

1 = 4/3*x^2 // : 4/3

3/4 = x^2

x^2 = 3/4 // ^ 1/2

abs(x) = (3/4)^(1/2)

x = (3/4)^(1/2) or x = -(3/4)^(1/2)

x in { (3/4)^(1/2), -(3/4)^(1/2) }

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