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Matrix solving

  1. Jan 28, 2014 #1
    1. The problem statement, all variables and given/known data

    PHP:
    Given that  
    |a b c| =-6
    |d e f|    
    |g h i|

    find
    |-3a   -3b   -3c    |
    |d       e      f   |
    |g-4d   h-4e  i-4f  |

    2. Relevant equations

    NA

    3. The attempt at a solution

    I am not sure where to start to solve this question. I am familiar with matrix applications but not sure determine the answer.

    Thanks, in advance.
     
    Last edited: Jan 28, 2014
  2. jcsd
  3. Jan 28, 2014 #2

    Dick

    User Avatar
    Science Advisor
    Homework Helper

    Those aren't just matrices. They are determinants. Look up properties of determinants. Then try.
     
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