Question
Find the for an AP whose term is given by .
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Text solutionVerified
We know that nth term,
& Sum of first terms, , where & are the first term amd common difference of an AP.
On putting in successively, we get
and so on..
Thus the sequence is
Clearly it is an AP with first term and common difference
Now, Required sum
and so on..
Thus the sequence is
Clearly it is an AP with first term and common difference
Now, Required sum
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Question Text | Find the for an AP whose term is given by . |
Answer Type | Text solution:1 |
Upvotes | 150 |