Ahh! This is too abstract. Find all values of a such that the matrix [ a 2 a] [ a a 3] [ a 4 a] has rank 1, and values of a for rank 2 Please show me how you did it, i don't even know where to start
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Originally Posted by Noxide Ahh! This is too abstract. Find all values of a such that the matrix [ a 2 a] [ a a 3] [ a 4 a] has rank 1, and values of a for rank 2 Please show me how you did it, i don't even know where to start Bring the matrix to echelion form (use Gauss or Gauss-Jordan) and check when 1 or two rows become zero. Be sure you distinguish the case a = 0 for the reduction. Tonio
Tonio to the rescue, thanks again!
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