InterviewSolution
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: \left| \begin{array} { c c c } { 1 } & { 0 } & { 0 } \\ { 0 } & { 1 } & { 0 } \\ { 0 } & { 0 } & { 1 } \end{array} \right| |
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Answer» it is identity matrix so determinant is 1. |
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