Sum and Product of Terms
- Let
tn = 2n - 1, where n >= 1.
Find the answer of the following by hands:

- Let
tn = 2n - 1, where n >= 1.
Find the answer of the following by hands:

- Let
t1 = 2, and tn = 3 + tn-1, where n >= 2.
Find the answer of the following by hands: