12/X-2-1

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Solution for 12/X-2-1 equation: 


D( X )

X = 0

X = 0

X = 0

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

12/X-2-1 = 0

12*X^-1 = 3 // : 12

X^-1 = 1/4

-1 < 0

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

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

4 = X^1

X = 4

X = 4

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