Consider a non-singular 2×2 square matrix A . If trace(A) = 4 and trace(A2 ) = 5
Consider a non-singular 2×2 square matrix A . If trace(A) = 4 and trace(A2 ) = 5

Q. Consider a non-singular 2×2 square matrix A . If trace(A) = 4 and trace(A2 ) = 5 , the determinant of the matrix A is__________(up to 1 decimal place).

Ans: 5.5

Sol:
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