UPSC NDA I 2018 Mathematics Solved Paper
© examsiri.com
Question : 23 of 120
Marks:
+1,
-0
If x = 1 − y + y 2 − y 3 + . . . up to infinite terms, where | 𝑦 | < 1 , then which one of the following is correct?
[NDA I 2018]
Go to Question: