A function is defined as F (n) = 5F (n - 1) -6F (n-2), F (0) = 3, F (1) = 7.

If the degree of the above recurrence relation is 2, solve the above recurrence relation using the characteristic root method.

a.
F(n) = 3n + 2n+1


b.
F(n) = 3n+1 + 2n


c.
F(n) = 3n + 2n-1 + 2


d.
F(n) = 3n + 2n