Ononot — If A is a 3 \times 3 matrix such that A^2 = A, which of the

Guest Session: 1 Question Remaining. Create Account to save progress.

Eigenvalues & Eigenvectorshard

0:00.0

If $A$ is a $3 \times 3$ matrix such that $A^2 = A$ , which of the following are possible values for the trace of $A$ ?