8.2/x/x=1

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Solution for 8.2/x/x=1 equation: 


D( x )

x = 0

x = 0

x = 0

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

(8.2/x)/x = 1 // - 1

(8.2/x)/x-1 = 0

8.2*x^-2 = 1 // : 8.2

x^-2 = 0.12195122

-2 < 0

1/(x^2) = 0.12195122 // * x^2

1 = 0.12195122*x^2 // : 0.12195122

8.19999997 = x^2

x^2 = 8.19999997 // ^ 1/2

abs(x) = 8.19999997^(1/2)

x = 8.19999997^(1/2) or x = -8.19999997^(1/2)

x in { 8.19999997^(1/2), -8.19999997^(1/2) }

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