NCERT Miscellaneous Exercise Q4 - Sets

Question: Show that the following are equivalent: (i) A is a subset of B; (ii) A-B is the empty set; (iii) A union B=B; (iv) A intersection B=A.

Answer: (i), (ii), (iii), and (iv) are equivalent statements.

Full step-by-step NCERT solution with diagrams on Something by Zero.

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