If an=2an−1+1a_n = 2a_{n-1} + 1an=2an−1+1, what is the homogeneous part?
an=2an−1a_n = 2a_{n-1}an=2an−1
an=1a_n = 1an=1
an=2a_n = 2an=2
an=an−1+1a_n = a_{n-1} + 1an=an−1+1