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Linear-Algebra · Matrix-Operations

Trace of [[-3,1,0],[1,-3,0],[0,0,-3]]

\left[\begin{matrix}-3 & 1 & 0\\1 & -3 & 0\\0 & 0 & -3\end{matrix}\right]

Step by step

  1. -3 + -3 + -3 = -9

    The trace is the sum of the diagonal entries.

Reveal the answer
\operatorname{tr} A = -9