\( \Large A=\{ 4, 9, 16, 25, 36 \},\ B=\{ 9, 25, 49, 81 \},\ C=\{ 16, 81, 256 \} \) then find \( \Large A- \left(B\cap C\right) \)
Correct Answer: |
B) \( \Large \{ 4, 9, 16, 25, 36 \} \) |
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Description for Correct answer:
\( \Large A=\{ 4,\ 9,\ 16,\ 25,\ 36 \},\ B=\{ 9,\ 25,\ 49,\ 81 \},\ C=\{ 16,\ 81,\ 256 \} \)
\( \Large B\cap C = \{ 81 \} \)
\( \Large A- \left(B\cap C\right) = \{ 4,\ 9,\ 16,\ 25,\ 36 \}-\{ 81 \} \)
=\( \Large \{ 4,\ 9,\ 16,\ 25,\ 36 \} \)
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