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| 1. |
If P = { 1,2,..........,10}, then which type of set is P |
| Answer» NUMBER of ELEMENTS in A=10 Number of subsets of A CONTAINING exactly two elements = Number of ways we can select 2 elements from 10 elements 10 C 2 = 210×9 =45∴ Number of subsets of A containing exactly two elements =45 | |