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k- If a and b are linearly independent, and if {a , b , c} is...

k- If a and b are linearly independent, and if {a , b , c} is linearly dependent, then c is in Span{a , b}.

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j- If A is a 4 × 3 matrix, then the transformation described by A cannot be one-to-one. true/ false

L-

If A is a 5 × 4 matrix, then the transformation x ↦ A x cannot map R 4 onto R 5.

True / false

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