((4/X)/(1-4/X^2))

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Solution for ((4/X)/(1-4/X^2)) equation: 


D( X )

X = 0

1-(4/(X^2)) = 0

X^2 = 0

X = 0

X = 0

1-(4/(X^2)) = 0

1-(4/(X^2)) = 0

1-4*X^-2 = 0

-4*X^-2 = -1 // : -4

X^-2 = 1/4

-2 < 0

1/(X^2) = 1/4 // * X^2

1 = 1/4*X^2 // : 1/4

4 = X^2

X^2 = 4 // ^ 1/2

abs(X) = 2

X = 2 or X = -2

X^2 = 0

X^2 = 0

1*X^2 = 0 // : 1

X^2 = 0

X = 0

X in (-oo:-2) U (-2:0) U (0:2) U (2:+oo)

(4/X)/(1-(4/(X^2))) = 0

(4/X)/(1-4*X^-2) = 0

(4*X^-1)/(1-4*X^-2) = 0

4*X^-1 = 0 // : 4

X^-1 = 0

X należy do O

X belongs to the empty set

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