sat 2 math 矩阵
1.what'sthedeterminantof7-2103-15-422.ifA=7-3andB=5,solveforXwhenAX=B142...
1. what's the determinant of 7 -2 1
0 3 -1
5 -4 2
2. if A= 7 -3 and B= 5 , solve for X when AX=B
1 4 2 展开
0 3 -1
5 -4 2
2. if A= 7 -3 and B= 5 , solve for X when AX=B
1 4 2 展开
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