1.if A is singular the A has a line of zeros 2.if A has a column of zeros then A is equal to a matrix which has at least one line of zeros for each one are are they true or false
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Originally Posted by transgalactic 1.if A is singular the A has a line of zeros 2.if A has a column of zeros then A is equal to a matrix which has at least one line of zeros for each one are are they true or false What's a line of zeros?
means that one of its vectors is a lenear combination of the others
That still makes no sense. What "vectors" are you talking about? It's columns considered as vectors? Or its rows?
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