Which property indicates that a recurrence relation an=c1an−1+c2an−2+f(n)a_n = c_1 a_{n-1} + c_2 a_{n-2} + f(n)an=c1an−1+c2an−2+f(n) is homogeneous?
c1,c2c_1, c_2c1,c2 are constants
f(n)=0f(n) = 0f(n)=0
ana_nan is a linear term
The roots are real