2-(144/x^2)

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Solution for 2-(144/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)

2-(144/(x^2)) = 0

2-144*x^-2 = 0

-144*x^-2 = -2 // : -144

x^-2 = 1/72

-2 < 0

1/(x^2) = 1/72 // * x^2

1 = 1/72*x^2 // : 1/72

72 = x^2

x^2 = 72 // ^ 1/2

abs(x) = 6*2^(1/2)

x = 6*2^(1/2) or x = -(6*2^(1/2))

x in { 6*2^(1/2), -(6*2^(1/2)) }

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