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Question: q5 true or false i if ...

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Q5. True or False

(i). If š“ = {š‘„šœ–ā„ | š‘„ 2 = āˆ’4} and šµ = {š‘„šœ–ā„š | š‘„ 2 = 2} Then Card(A) = Card Card(B)

(ii). If š“ = {š‘„šœ–ā„ | āˆ’ 3 ā‰¤ š‘„ < 5} šµ = {š‘„šœ–ā„ | š‘„ 2 āˆ’ 4 = 0} Then šµ āŠ‚ š“ and Card(A) < Card(B)

(iii). If š“ = {š‘„šœ–ā„š | š‘„ 2 = āˆ’4 } šµ = {š‘„šœ–ā„• | š‘„ + 4 < 2} Then Card(A) = Card(B)

(iv). If š“ = {š‘„šœ–ā„• | š‘„ 2 = 21} šµ = {š‘„šœ–ā„ | š‘„ 2 = 21} Then Card(š“ āˆŖ šµ) = 1

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