1
$₁ = a1 ==
S₂ = a1 + a₂ =
4
25'
S3 = a1 + a2 + a3 =
16
125
S₁ = a₁ + a2 + a3 + as =
64
625
Determine whether an converges or diverges by first finding the general term of its sequence Sy of
n=1
partial sums. If the series converges, then find its sum.
Fig: 1