From Partial Sums to a Series
Difficulty: Medium · Topics: Calculus, Series, Sequences
Qismiy yig‘indilardan qatorga
For the sequence \a n\ we have Σ k=1^na k=n^2.
Find the sum of the series Σ n=1^∞frac1a na n+1.
\a n\ ketma-ketlik uchun Σ k=1^na k=n^2.
Σ n=1^∞frac1a na n+1 qatorning yig‘indisini toping.