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