Exercise 8.3.1

For the sequence \(2, 5, 8, 1, \cdots\)

\(c_1 = 2,\quad c_{n+1} = c_n + 3\)

For the sequence \(-2, 3, 8, 13, \cdots\)

\(c_1 = -2,\quad c_{n+1} = c_n + 5\)