Question

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請求線性代數大神解題🙏🙏🙏

Use following vectors to form a matrix in RREF. How many different matrices can
you make? Justify your answer-

鋪汪敵劑生

(Ture or False) If Aand Bare any two 3x3 matrices of rank 2, then Acan be
transformed into Bby means oflimited numbers of elementary row operations-
Justify your answer

(Ture or False) Every matrixis row equivalent to aunique matrix in echelon
form. Explain.

(Ture or False) IfAis an mxn matrix and the augmented matrix [A | b] is

 

consistent for real number b,then Ahas exactly m pivot columns. Explain

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線性代數