考研线性代数讲义-铁军(零财富)

( 1 "\r15.8@PA = 1 a 1 , { = 1 , °±l\n/TâAx = /|&ãtäƒ'Ý#Z(1)\rJ 1-2,\ra 1\r`?( 2 ) 23@PQ , D 4 ? ? @ P \r16 . 8æ:?@PA `G1, 2, 3 , @PA `rI1, 2 `ç\rG / =(-1,-1,{ 'a2 = ( L T - M \r(1)# A `rI3 `\r(2)#@PA \r17 . 8 A = ( ? (1)#23@PP , D P-iAP4??@P\r(2)# A " ("G2ë>).\r“”•–p—˜5™ 2011š›>”œžƒl\nŸ>\r2\r” ) ( 2 T\r18 . °±r = 1 G@PA= 5 a 3 `ƒs\rì- 1 6\r(1) ÝÞYí>d/7?S î?H`\r(2 ) ï A Áð 0I??Pñò´%Â\r19 . ° ± 3 : @ P A ?æBx , Dóâx , Ax, /P x l\nmn'²ôõ\rA3X = 3AX-2A 2X O\r( 1 ) ö P = (x, Ax, A ?x), # 3 :@P B , D 4 =\r( 2 ) ÷øÆCR|A + E |\rË̕ÍÎÏÐÑ 46