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If the adjoint of a 3 3 matrix P is 1 ...

If the adjoint of a 3 3 matrix P is 1 4 4 2 1 7 1 1 3 , then the possible value(s) of the determinant of P is (are) (A) 2 (B) 1 (C) 1 (D) 2

A

` pm 2`

B

`pm 1`

C

`pm 3`

D

`pm 4`

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TARGET PUBLICATION-MATRICES-COMPETITIVE THINKING (Inverse off a matrix )
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