I would be grateful if you can help me to find f(r) in the below questions
Sum to the n terms of the series using difference method of telescope method .(hint Express the nth term = f(r)-f(r+1))
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(not true) sorry
Incidentally there an an unwanted number 1 at the end of the series .Here the corrected series.Thanks
What is ?
Relate it to your series.
thanks very much for the hint but I would be grateful if you can show me how to break the function into f(k)-f(k+1).
thanks very much.
We have .
Hence choosing works because
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