Thedeterminantofa22matrixsigma-matrices4-2009-1Everysquarematrixhasas - PPT Presentation
Finallywewilllookatthedeterminantofageneral22matrixSupposeA abcdjAj abcd adbc
IfA abcdthenitsdeterminantisjAj abcd adbcIfadbc0thenthematrixissingular
Furtherlearetsi ID: 490878
Finally
wewilllookatthedeterminantofageneral22matrix.SupposeA=