(1.1.9)--英1.3.1克莱姆法则及重要结论

1.3.1CramersRuleandSomeImportantConclusionsLinearAlgebra（2credits）11112211211222221122.nnnnnnnnnnaxaxaxbaxaxaxbaxaxaxbLLLLLLLLLLLLLLLSupposelinearequationsIftheconstanttermsarenotallzero,thenthissystemofequationsiscalledinhomogeneouslinearequations;Iftheconstanttermsareallzero,thenthesystemofequationsiscalledhomogeneouslinearequations.Conceptsofinhomogene...