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Mathematics 21 Online
OpenStudy (anonymous):

Is this correct? [2 -6 8] + [-1 -2 4] = X Ans: [1 0 11/17] [0 1 -20/17]

OpenStudy (anonymous):

@Zale101

OpenStudy (anonymous):

[1 0 -4/5] [0 1 -8/5]

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