CBSE Class 11-science Answered
1)sum to n terms
i)1.2^2+2.3^2+3.4^2+........
2)sum to infinity of serirs 3-5r+7r^2-9r^3+.....is 14/9,find r.
Asked by ipaulraj | 03 Aug, 2014, 10:51: PM
Expert Answer
Answered by Dharma Teja | 04 Aug, 2014, 08:35: AM