Which condition makes the recurrence an=c1an−1+c2an−2a_n = c_1 a_{n-1} + c_2 a_{n-2}an=c1an−1+c2an−2 'homogeneous'?
c1+c2=1c_1 + c_2 = 1c1+c2=1
c1,c2≠0c_1, c_2 \neq 0c1,c2=0
There is no constant term added
The sequence is constant