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Let a = {{1, 2, 3}, {4, 5}, {6, 7, 8}}. Determine Which of the Following is True Or False: 1 ∈ a - Mathematics

Let A = {{1, 2, 3}, {4, 5}, {6, 7, 8}}. Determine which of the following is true or false: 

\[1 \in A\] 

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Solution

 False
If it could be 1 \[\not\in\] A , then it would be true .

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APPEARS IN

RD Sharma Class 11 Mathematics Textbook
Chapter 1 Sets
Exercise 1.4 | Q 7.1 | Page 17
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