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Q.3 Let A = { 1, 2, { 3, 4 }, 5 }. Which of the following statements are incorrect and why?
(i) {3, 4} A
Answers (1)
3 {3,4} but 3
{1,2,{3,4},5}.
SO, {3, 4} A
Hence,the statement is incorrect.
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