If A = \(\begin{pmatrix} \lambda & 1 \\ -1 & -\lambda \end{pmatrix}\) then for what value of λ, A2 = 0?
A. 0
B. ±1
C. -1
D. 1
Answer:B
If A = \(\begin{pmatrix} \lambda & 1 \\ -1 & -\lambda \end{pmatrix}\) then for what value of λ, A2 = 0?
A. 0 B. ±1 C. -1 D. 1