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angela210793

  • 4 years ago

I need some help :( Find |A| in this matrix...

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  1. amistre64
    • 4 years ago
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    find the determinant

  2. angela210793
    • 4 years ago
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    |dw:1332703256215:dw|

  3. angela210793
    • 4 years ago
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    yes Amistre i did smth like this |dw:1332703352386:dw| can this help???

  4. amistre64
    • 4 years ago
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    is this a square matrix?

  5. angela210793
    • 4 years ago
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    it doesn't say anything O.o but it must be u can find the determinant only if it is square

  6. amistre64
    • 4 years ago
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    the determinant, if its square, means that you have created a lower tringle matrix and the determiant is just the product of the diagonal

  7. angela210793
    • 4 years ago
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    so is it bn!??|dw:1332703657707:dw|

  8. amistre64
    • 4 years ago
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    |dw:1332703572857:dw|

  9. angela210793
    • 4 years ago
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    Thanks xD

  10. amistre64
    • 4 years ago
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    if we expand along the first col; we get 1(product of bs)

  11. amistre64
    • 4 years ago
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    bn! does sound plausible to me :)

  12. angela210793
    • 4 years ago
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    :D

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