Which recurrence relation is homogeneous?
an=3an−1+5a_n = 3a_{n-1} + 5an=3an−1+5
an=2an−1+na_n = 2a_{n-1} + nan=2an−1+n
an=4an−1−3an−2a_n = 4a_{n-1} - 3a_{n-2}an=4an−1−3an−2
an=an−1+10⋅2na_n = a_{n-1} + 10 \cdot 2^nan=an−1+10⋅2n