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3-4
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9-4
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2 |
A.{-2,2} | B.{-2,0,2} | C.{-2,0} | D.{0} |
A.(1-i)+(1+i | B.(1-i)(1+i | C.
| D.(1-i)2 |
A.P={1,
| B.P={π},Q={3.14159} | ||||
C.P={2,3},Q={(2,3)} | D.P={x|-1<x≤1,x∈N},Q={1} |
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