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Matrix Trace Calculator

The calculator will find the trace of the matrix, with steps shown.

If the calculator did not compute something or you have identified an error, or you have a suggestion/feedback, please write it in the comments below.

Your Input

Find the trace of $$$\left[\begin{array}{ccc}-2 & 5 & 7\\4 & 6 & 1\\8 & -9 & 5\end{array}\right]$$$.

Solution

The trace of a matrix is the sum of its diagonal elements, so the trace is $$$-2 + 6 + 5 = 9$$$.

Answer

The trace of the matrix equals $$$9$$$A.