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determinant of{{0.8-a,0.5333,0.3266},{0.5333,0.8-a,0.0817}, {0.3266,0.0817,0.8-a}}
determinant of{{0.8-a,0.5333,0.3266},{0.5333,0.8-a,0.0817}, {0.3266,0.0817,0.8-a}}
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