UPSC NDA I 2017 Mathematics Solved Paper
© examsiri.com
Question : 11 of 120
Marks:
+1,
-0
The expansion ( x − y ) n , n ≥ 5 is done in the descending powers of x. If the sum of the fifth and sixth terms is zero, then
is equal to
[NDA I 2017]
Go to Question: