Permutations and Combinations Part 2
© examsiri.com
Question : 39 of 110
Marks:
+1,
-0
Let 0 ≤ r ≤ n n + 1 C r + 1 : n C r : n − 1 C r − 1 = 55 : 35 : 21 2 n + 5 r
[6 Apr 2024 Shift 2]
Go to Question: