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Aratio b is equal to 7 ratio 5 and b ratio c is equal to 9 ratio 14 find a ratio c

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Base case (n=1): suppose a has only one column. if a is the all zero matrix, it is row equivalent only to itself and is in reduced row echelon form. every nonzero matrix with one column has a nonzero entry, and all such matrices have reduced row echelon form the column vector (1,0,,0) and no other row echelon form.

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The number of ways in which 15 students a1, a2, a15 can be ranked such that a4 is always above a8 i...

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