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Matrices and Determinants question

2020 · Shift 2 · Q22

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JEE Advanced
Mathematics
Matrices and Determinants
2020 · Shift 2 · Q22

Matrices and Determinants question

2020 · Shift 2 · Q22

JEE AdvancedMathematicsMatrices and DeterminantsNumerical+3 / −1

The trace of a square matrix is defined to be the sum of its diagonal entries. If A is a 2

\times

2 matrix such that the trace of A is 3 and the trace of A3 is

-

18, then the value of the determinant of A is .............

Numerical answer

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