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प्रश्न
If \[A \cap B - B\]
विकल्प
(a) \[A \subset B\]
(b) \[B \subset A\]
(c) \[A = \Phi\]
(d) \[B = \Phi\]
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उत्तर
(b) \[B \subset A\]
Only this case is possible.
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