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Competitive Stats
Q44Section II (Mathematics)44 of 84

λ2−(tr⁡A)λ+det⁡A=λ2+1\lambda^2-(\operatorname{tr} A)\lambda+\det A=\lambda^2+1

If A is a 2×22\times2 real matrix with trace zero and determinant 1, then the eigenvalues of A are:

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