Which recurrence relation corresponds to the closed form an=3⋅2n+2⋅5na_n = 3 \cdot 2^n + 2 \cdot 5^nan=3⋅2n+2⋅5n?
an=7an−1−10an−2a_n = 7a_{n-1} - 10a_{n-2}an=7an−1−10an−2
an=6an−1−10an−2a_n = 6a_{n-1} - 10a_{n-2}an=6an−1−10an−2
an=7an−1−12an−2a_n = 7a_{n-1} - 12a_{n-2}an=7an−1−12an−2
an=5an−1−6an−2a_n = 5a_{n-1} - 6a_{n-2}an=5an−1−6an−2