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Give an example of a square real matrix that has rank 2 and all of whose eigenvalues are zero.
in Mathematics by Platinum (108k points) | 535 views

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A 2x2 matrix of the form:

\begin{bmatrix} 0 & k \\ -k & 0 \end{bmatrix}

where k is any non-zero real number, has rank 2 and all of its eigenvalues are zero.
by Platinum (108k points)

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