4.3.5 ND Prove that x = 0 is the only solution to Ar = 0 if and only if the rank of the px q matrix A equals q, the number of unknowns.

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4.3.5 ND Prove that x = 0 is the only solution to Ax = 0 if and only if the rank of the
px q matrix A equals q, the number of unknowns.
Transcribed Image Text:4.3.5 ND Prove that x = 0 is the only solution to Ax = 0 if and only if the rank of the px q matrix A equals q, the number of unknowns.
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