Homework Statement
{U_0 = 9, U_1 = -3}
U_(n+2) = -(5/4) U_(n+1) + (3/8) U_(n)
Homework Equations
The Attempt at a Solution
First step was to attempt to find the common difference by trying to find the 3rd term:
U_(2) = -(5/4) u_(1) + 3/8 U_(0) = -(57/8)
This does not...