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Find the set of all z such that neither 2+z nor 2-z is in the interval (-1,1]. Express your answer as an interval or as a union of intervals.

 Jul 21, 2019
 #1
avatar+8575 
+2

Find the set of all z such that neither 2+z nor 2-z is in the interval (-1,1]. Express your answer as an interval or as a union of intervals.

 

z \in \{z|\  (-1) < z < 1 \}

 

 

laugh  !

LaTeX does not work.

 Jul 21, 2019
edited by asinus  Jul 21, 2019
edited by asinus  Jul 21, 2019
edited by asinus  Jul 21, 2019
edited by asinus  Jul 21, 2019
 #2
avatar+8575 
+2

\(z \in \{z|\ (-1) < z < 1 \}\)

 

laugh  !

 Jul 21, 2019
edited by asinus  Jul 21, 2019

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