+∞o Letan be a series such that Sk = a₁ + a₂ + +ak = 2k k+2' for k € {1,2,3,...}. Identify and n=1 justify whether each of the following series converges or diverges. If convergent, find the sum. +∞o (2) Σ an n=1 +∞o Sn (b) n² n=1

3 Determine whether the series Ln(n+3) is convergent or divergent by n=1 expressing s, as a telescoping sum. If it is convergent, find its sum. 2n converges. Find the sum Find the values of x for which the series of the series for those values of r.

10.2 #3.a Please help. Ty.