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Let A={x : x in R,-1 lt x lt 1}, B={x : ...

Let `A={x : x in R,-1 lt x lt 1}`, `B={x : x in R, x le0 or x ge 2}` and `AuuB=R-D`, then find set `D`

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The correct Answer is:
`{:({x:1 le x lt 2}),((3){x : 1 le x le 2}),((4){x : 1 ltx lt2}):}`
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RESONANCE-FUNDAMENTAL OF MATHEMATICS-Exercise
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