If Sn denotes the sum of n terms of an A.P. whose common difference is d and the first term is a, find Sn- 2Sn-1+ Sn-2.
Asked by Palak Shrivastava | 29th Oct, 2013, 06:35: AM
Let a1 and d respectively be the first term and common difference of the AP.
Answered by | 29th Oct, 2013, 09:13: AM
Kindly Sign up for a personalised experience
- Ask Study Doubts
- Sample Papers
- Past Year Papers
- Textbook Solutions
Verify mobile number
Enter the OTP sent to your number