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[" Let "A={a,b,{c,d},e}" which of the fo...

[" Let "A={a,b,{c,d},e}" which of the follow- "],[" ing statement is not true? Why ? "],[[" (i) "{c,d}sub A," (ii) "{c,d}in A],[" (iii) "{{c,d}}sub A," (iv) "a in A]]

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