Qualitative Behavior of Rational Difference Equation of Big Order

Figure 3

It shows the periodicity of the solution of (9) when 𝑙=3, 𝑘=1, 𝑥₋₃=𝑥₋₁=𝑝, 𝑥₋₂=𝑥₀=𝑞, 𝑎=9, 𝑏=13, 𝑐=0.1, and 𝑑=2.