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  • 21-08-2017
  • Mathematics
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evaluate the determinant for the following matrix [-5 1
1 4

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mreijepatmat
mreijepatmat mreijepatmat
  • 21-08-2017
|-5  1 |
|1   4 |

Remember the determinant of  |a  b|
                                                  |c  d|      =  ad - bc

Then The determinant of  |-5  1 |
                                         |1   4  |  = (-5)(4) - (1) = -21
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