UPSC NDA I 2023 Mathematics Solved Paper
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Question : 27 of 120
Marks:
+1,
-0
Consider the following statements for a fixed natural number n
1.C ( n , r ) n = 2 r
2.C ( n , r ) n = 2 r − 1 n = 2 r + 1
Which of the statements given above is/are correct?
1.
2.
Which of the statements given above is/are correct?
[NDA I 2023]
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