CBSE Class 11-science Answered
Sequence and series
Asked by rachna1806 | 25 Aug, 2009, 11:44: AM
Expert Answer
Please Put each question in a separate query
(i) 1 + (1+3) + (1+3+5) + .....................................(1+3+5+....2n-1)
Tn = 1+3+5+....2n-1= n2
we need to find summation Tn
Summation n2 = n(2n+1)(n+1)/6
Answered by | 25 Aug, 2009, 04:10: PM
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