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If \( \Large A=\{ 1, 2, 4, 5 \},\ B=\{ 1, 2, 3 \} \) then A-B is
A) \( \Large \{ 1, 16 \} \)
B) \( \Large \{ 1, 9 \} \)
C) \( \Large \{ 1, 3 \} \)
D) \( \Large \{ 1, 4 \} \)
Correct answer:
C) \( \Large \{ 1, 3 \} \)
Description for Correct answer:
A - B is such that \( \Large x\epsilon A,\ x\epsilon B \)
\( \Large A - B = \{ 4, 5 \} \)
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