If $A$ is a $3 \times 3$ matrix and $B=A'A$, then what can be said about the eigenvalues of $AB$?
No form of $A$ is given; then how to proceed ?
Can this problem be at all solved? If anyone can help . . .
2026-04-12 01:08:43.1775956123
If $A$ is a $3 \times 3$ matrix. and $B=A'A$, then what can be said about the eigenvalues of $AB$?
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