Assume That the Characteristic Equation for a Homogeneous Linear Recurrence $$\text { is } ( r + 1 ) ^ { 4 } ( r - 1 ) ^ { 4 } = 0 \text {. Describe the form for the general solution to the recurrence relation. }$$

Assume that the characteristic equation for a homogeneous linear recurrence relation with constant coefficients $$\text { is } ( r + 1 ) ^ { 4 } ( r - 1 ) ^ { 4 } = 0 \text {. Describe the form for the general solution to the recurrence relation. }$$