August 2018 1 15 Report
Si x toma el valor -1 ó 1, ¿cuál de las siguientes alternativas representa pares
de conjuntos iguales ?
I A =
⎭ ⎬ ⎫
⎩ ⎨ ⎧
∈1 x2
x ; A'= {1,−1}
II B = { 1 , -1 } ; B' = { 2x² -1 = 1 }
III C = { 0, -1 } ;
⎭ ⎬ ⎫
⎩ ⎨ ⎧
=

= 0
(1 )
' x 2
C x

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