Q9. Using properties of sets, show that
(i) A ( A B ) = A
We know that A A
and A B A
A ( A B ) A
and also , A A ( A B )
Hence, A ( A B ) = A
CBSE Results 2024: Last 9 years’ CBSE Class 10, 12 result date and time; links to check score
CBSE Board exams twice a year from 2025, no plan for semesters: MoE
CBSE Class 12 board exams 2025 to have 50% competency-based questions; no change in 10th
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