Q9. Using properties of sets, show that
(ii) A ( A B ) = A
This can be solved as follows
A ( A B ) = (A A) ( A B )
A ( A B ) = A ( A B ) { A ( A B ) = A proved in 9(i)}
A ( A B ) = A
CBSE Class 12 board exams 2025 to have 50% competency-based questions; no change in 10th
CBSE Class 12 board exams 2024 over; expected result date, trends of last 10 years
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