Kannst du die Matrizen Diagonalisieren ?
[0, 3; 1, -2] = [-1, 3; 1, 1]·[-3, 0; 0, 1]·[-0.25, 0.75; 0.25, 0.25]
[0, 3; 1, -2]^2021 = [-1, 3; 1, 1]·[-3, 0; 0, 1]^2021·[-0.25, 0.75; 0.25, 0.25]
Also
A^2021 = [-1, 3; 1, 1]·D^2021·[-0.25, 0.75; 0.25, 0.25]