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Eigen value of matrix X are -2 and -3

Eigen value of Identity matrix are 1 and 1

Now Eigen value for matrix $(X + I)^{-1}(X+5I)$ are

= $(-2 + 1)^{-1}(-2+5)$ and $(-3 + 1)^{-1}(-3+5)$

= $-1*3$ and $\frac{-1}{2}*2$

= $-3$ and $-1$.

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