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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

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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