Grade 12th passAlgebra
sir does the sequence an=npi cosnpi converge or diverge
sir does the sequence an=npi cosnpi converge or diverge
1 Answer
Vikas TU
an=npi cosnpi
an = npi* (-1)^n
Thus on increasing n the magnitude would also increase in negative and positive x – axis both side.
Thus it would go continuosly. thus it converges.
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