UPSC NDA I 2018 Mathematics Solved Paper
© examsiri.com
Question : 3 of 120
Marks:
+1,
-0
In the expansion of ( 1 + x ) 43 , if the coefficients of ( 2 r + 1 ) t h and ( r + 2 ) t h terms are equal, then what is the value of r ( r ≠1 ) ?
[NDA I 2018]
Go to Question: