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Q.3 Let A = { 1, 2, { 3, 4 }, 5 }. Which of the following statements are incorrect and why?
(vi) {1,2,5} A
Answers (1)
All elements of {1,2,5} are present in { 1, 2, { 3, 4 }, 5 }.
So, {1,2,5} { 1, 2, { 3, 4 }, 5 }.
Hence,the statement given is correct.
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