Write Down All the Subsets of the Given Set $\{ 1,2,9,11 \}$

question 25

Multiple Choice

Write down all the subsets of the given set.
- $\{ 1,2,9,11 \}$

• A) \(\{ 1 \} , \{ 2 \} , \{ 9 \} , \{ 11 \} , \{ 1,2 \} , \{ 1,9 \} , \{ 1,11 \} , \{ 2,9 \}\),
• \(\{ 2,11 \} , \{ 9,11 \} , \{ 1,2,9 \} , \{ 1,2,11 \} , \{ 1,9,11 \} , \{ 2,9,11 \} , \{ 1,2,9,11 \} , \varnothing\)
• B) \(\{ 2 \} , \{ 5 \} , \{ 6 \} , \{ 7 \} , \{ 2,5 \} , \{ 2,6 \} , \{ 2,7 \} , \{ 5,6 \}\),
• \(\{ 5,7 \} , \{ 6,7 \} , \{ 2,5,6 \} , \{ 2,5,7 \} , \{ 2,6,7 \}\),
• \(\{ 5,6,7 \} , \varnothing\)
• C) \(\{ 1 \} , \{ 2 \} , \{ 9 \} , \{ 11 \} , \{ 1,2 \} , \{ 1,9 \} , \{ 1,11 \} , \{ 2,9 \}\),
• \(\{ 2,11 \} , \{ 1,2,9 \} , \{ 1,2,11 \} , \{ 1,9,11 \} , \{ 2,9,11 \}\),
• \(\{ 1,2,9,11 \} , \varnothing\)
• D) \(\{ 1 \} , \{ 2 \} , \{ 9 \} , \{ 11 \} , \{ 1,2 \} , \{ 1,9 \} , \{ 1,11 \} , \{ 2,9 \}\),
• \(\{ 2,11 \} , \{ 9,11 \} , \{ 1,2,9 \} , \{ 1,2,11 \} , \{ 1,9,11 \} , \{ 2,9,11 \} , \{ 1,2,9,11 \}\)

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