Matrix B^T B Diagonal Sum (Jee Mains) | ExamDuo
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Formation, Types & Operations
Medium
Matrix B^T B Diagonal Sum
Let A =
and B be a matrix such that B(I – A) = I + A. Then the sum of the diagonal elements of B
T
B is equal to______.
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![\left[ {\begin{array}{*{20}{c}} 0\\[0.9em] { - 2}\\[0.9em] 3 \end{array}\,\,\,\,\,\,\begin{array}{*{20}{c}} 2\\[0.9em] 0\\[0.9em] { - 1} \end{array}\,\,\,\,\begin{array}{*{20}{c}} { - 3}\\[0.9em] 1\\[0.9em] 0 \end{array}} \right]](https://cdn.examduo.ai/jee/0a5c977b94bc44d0.webp)