2-72/X^2=0

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Solution for 2-72/X^2=0 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-(72/(X^2)) = 0

2-72*X^-2 = 0

-72*X^-2 = -2 // : -72

X^-2 = 1/36

-2 < 0

1/(X^2) = 1/36 // * X^2

1 = 1/36*X^2 // : 1/36

36 = X^2

X^2 = 36 // ^ 1/2

abs(X) = 6

X = 6 or X = -6

X in { 6, -6 }

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