anonymous
  • anonymous
Find a 2x2 matrix with linearly dependent rows (determinant of zero) and both rows add up to 1.
Linear Algebra
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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anonymous
  • anonymous
i'm not sure but isn't it just|dw:1371389369860:dw|
anonymous
  • anonymous
det of this matrix is 0
anonymous
  • anonymous
|dw:1371389540453:dw|

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anonymous
  • anonymous
but we exclude the zero matrix.
anonymous
  • anonymous
so it is linearly indepdent
anonymous
  • anonymous
and both rows add up to 1
anonymous
  • anonymous
Thanks for the help, but I need it to be linear dependent
anonymous
  • anonymous
aren't they linearly independent though? its getting late here so refresh my brain why it isn't linearly independent
anonymous
  • anonymous
i need the rows to be dependent and for this to occur you will have a determinant of zero
anonymous
  • anonymous
tell me whats wrong with my matrix?
anonymous
  • anonymous
rows are dependent.
anonymous
  • anonymous
if we row reduce my matrix|dw:1371390278332:dw|
anonymous
  • anonymous
|dw:1371390306411:dw|
Kainui
  • Kainui
It is linearly dependent because the zero vector can be reached by 0 times of the vector (1,1), therefore it is dependent. You essentially have here 1 vector in 2 space.

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