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Loi Tran


Last seen: 6 months ago Active since 2021

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help me find the number of solutions of the given linear equation system
x1+ 2 x2+ 3 x3+4 x4= 7 2 x1+ x2+2 x3 +3 x4=6 3 x1 +2 x2+x3 +2 x4= 7 4 x1 +3 x2+ a x3+ x4=a

6 months ago | 1 answer | 0

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