Chemistry, 16.11.2020 17:00, ttangelique

Let U ={x|xeZx2<20}.If A={-4,-2,0,2,4} then verify the following. (i) A U A=A
(ii) A n A = A
(iii)A U A'=U
(iv)A n A'=cardinal number

Answers: 3

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Let U ={x|xeZx2<20}.If A={-4,-2,0,2,4} then verify the following. (i) A U A=A
(ii) A n A =...