Let A=(1201)A = \begin{pmatrix} 1 & 2 \\ 0 & 1 \end{pmatrix}A=(1021). What is the limit limk→∞∥Ak∥∞1/k\lim_{k\to\infty} \|A^k\|_\infty^{1/k}limk→∞∥Ak∥∞1/k?
1
0
∞\infty∞
2