14=10/x^2

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Solution for 14=10/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)

14 = 10/(x^2) // - 10/(x^2)

14-(10/(x^2)) = 0

14-10*x^-2 = 0

-10*x^-2 = -14 // : -10

x^-2 = 7/5

-2 < 0

1/(x^2) = 7/5 // * x^2

1 = 7/5*x^2 // : 7/5

5/7 = x^2

x^2 = 5/7 // ^ 1/2

abs(x) = (5/7)^(1/2)

x = (5/7)^(1/2) or x = -(5/7)^(1/2)

x in { (5/7)^(1/2), -(5/7)^(1/2) }

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