Which recurrence relation has the characteristic equation (r−2)3=0(r-2)^3 = 0(r−2)3=0?
an=6an−1−12an−2+8an−3a_n = 6a_{n-1} - 12a_{n-2} + 8a_{n-3}an=6an−1−12an−2+8an−3
an=2an−1+4an−2+8an−3a_n = 2a_{n-1} + 4a_{n-2} + 8a_{n-3}an=2an−1+4an−2+8an−3
an=6an−1+12an−2+8an−3a_n = 6a_{n-1} + 12a_{n-2} + 8a_{n-3}an=6an−1+12an−2+8an−3
an=2an−1−4an−2+8an−3a_n = 2a_{n-1} - 4a_{n-2} + 8a_{n-3}an=2an−1−4an−2+8an−3