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The determination of the matrix \(\begin{pmatrix} 1 & 3 & 3 \\ 4 & 5...

Mathematics
JAMB 1994

The determination of the matrix \(\begin{pmatrix} 1 & 3 & 3 \\ 4 & 5 & 6\\ 2 & 0 & 1 \end{pmatrix}\) is

  • A. -67
  • B. -57
  • C. -1
  • D. 3
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Correct Answer: Option C
Explanation

((1 x5x1) +( 3x6x2) + (3x4x0)) - ((3x5x2) + (1x6x0) + (3x4x1))

( 5 + 36) - (30 +12) = 41 - 42 

= -1


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