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xitskaylee23

  • 3 years ago

What is element a12 in matrix A

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  1. xitskaylee23
    • 3 years ago
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  2. zzr0ck3r
    • 3 years ago
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    1st row, second column

  3. hartnn
    • 3 years ago
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    \(\large a_{mn}\) will give you m'th row and n'th column

  4. xitskaylee23
    • 3 years ago
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    i dont understand what i am supposed to do!

  5. hartnn
    • 3 years ago
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    can u indentify first row ?

  6. hartnn
    • 3 years ago
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    *identify

  7. xitskaylee23
    • 3 years ago
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    i dont even know what this is. i didnt even learn it so i literally have NO idea!

  8. hartnn
    • 3 years ago
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    |dw:1352781758000:dw|

  9. hartnn
    • 3 years ago
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    this representation of numbers is called Matrix representation.

  10. hartnn
    • 3 years ago
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    in your question, [ 8 -2 -2 ] is first row, got this ?

  11. xitskaylee23
    • 3 years ago
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    yes

  12. hartnn
    • 3 years ago
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    so can u tell me 2nd row ?

  13. xitskaylee23
    • 3 years ago
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    2 6 -3

  14. hartnn
    • 3 years ago
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    absolutely correct :) now 1st column ?

  15. xitskaylee23
    • 3 years ago
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    8 2 9

  16. hartnn
    • 3 years ago
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    right, means you are getting this :) now a12 is the element in 1st row and 2nd column can u find which element is it ?

  17. hartnn
    • 3 years ago
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    |dw:1352782627935:dw|

  18. xitskaylee23
    • 3 years ago
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    2 2?

  19. hartnn
    • 3 years ago
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    2 2 ? there is only one element which is in first row and 2nd column

  20. xitskaylee23
    • 3 years ago
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    i mean like 2nd row 2nd column

  21. hartnn
    • 3 years ago
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    a12 means 1st row and 2nd column

  22. xitskaylee23
    • 3 years ago
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    ohh

  23. hartnn
    • 3 years ago
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    so which element is it ?

  24. xitskaylee23
    • 3 years ago
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    i dont know i dont understand this!

  25. hartnn
    • 3 years ago
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    |dw:1352783049025:dw|

  26. xitskaylee23
    • 3 years ago
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    my options are: –2 –3 5 2

  27. hartnn
    • 3 years ago
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    see last drawing, did u get that ?

  28. xitskaylee23
    • 3 years ago
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    yes

  29. hartnn
    • 3 years ago
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    thats what i was trying to tell you, all this time....

  30. redshift
    • 3 years ago
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    look at it this way: circle the first row and the 2nd column: |dw:1352783074995:dw| whichever you've circled twice is the element you're looking for

  31. xitskaylee23
    • 3 years ago
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    ohmygod! really?

  32. hartnn
    • 3 years ago
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    now did u understand how to find elements ?

  33. xitskaylee23
    • 3 years ago
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    i think but can you help with more? i have 23% in algebra2

  34. hartnn
    • 3 years ago
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    yes. but ask new question in new post ...

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