CBSE Class 10 Answered
The sum of first n terms of a sequence is of the form an^2 + bn where a and b are constants independent of n. Show that the sequence is an AP.
Asked by Simran K | 23 Feb, 2014, 01:22: PM
Expert Answer
Consider the given equation of sum of n terms:
Answered by | 25 Feb, 2014, 09:11: AM
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