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    Could someone walk me through how the matrix
    (1 2 2) ^k ===(1 2k 2k^2 )
    (0 1 2) =====(0 1 2k )
    (0 0 1) =====(0 0 1 )
    Thanks
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    Sorry you've not had any responses about this. Are you sure you've posted in the right place? Here's a link to our subject forum which should help get you more responses if you post there.


    Just quoting in Danny Dorito so she can move the thread if needed :wizard:
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    (Original post by XtrJ)
    Could someone walk me through how the matrix
    (1 2 2) ^k ===(1 2k 2k^2 )
    (0 1 2) =====(0 1 2k )
    (0 0 1) =====(0 0 1 )
    Thanks
    proof by induction?
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    (Original post by XtrJ)
    Could someone walk me through how the matrix
    (1 2 2) ^k ===(1 2k 2k^2 )
    (0 1 2) =====(0 1 2k )
    (0 0 1) =====(0 0 1 )
    Thanks
    You need to do a proof by induction. First show it is true for n=1. Then assume it is true for k=y, then prove that if it is true for k=y then it is true for k=y+1. Then finished.
 
 
 
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Updated: January 18, 2017
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