Find the characteristic roots of the linear recurrence relation an=5an−1−6an−2a_n = 5a_{n-1} - 6a_{n-2}an=5an−1−6an−2.
r1=3,r2=2r_1 = 3, r_2 = 2r1=3,r2=2
r1=3,r2=−2r_1 = 3, r_2 = -2r1=3,r2=−2
r1=5,r2=6r_1 = 5, r_2 = 6r1=5,r2=6
r1=−3,r2=−2r_1 = -3, r_2 = -2r1=−3,r2=−2