6001 1560 15600 D=01560 00 00150 00010 D1_-2 D2 D,19 D45 D665 D665 D665 D665 Mx+x+x 0间、p取何值时,齐次方程组{x+Hx2+x=0有非零解 +2x,+x2=0 01-41-元 01 解:D=141=14 (1-) 12 0 当(1-)=0.,即=0or=1时,该方程组有非零解5 56001 1560 15600 0156 01560 1 0015 00150 0001 00010 D = == 12 4 3 5 1 23 45 211 65 19 5 1 665 665 665 665 665 DD D D D x xx xx D DD DD - \= = = = = = = = = = 10.䯂¬ǃ­পԩؐᯊˈ唤⃵ᮍ⿟㒘 123 1 23 1 23 0 0 2 0 xxx x xx x xx l m m ì ++= ï í + += ï î + += ᳝䴲䳊㾷. 㾷˖ 1 1 01 1 0 1 1 1 1 1 (1 ) 1 1 12 1 0 0 D l lm l l m m m ml m m - - - = = =- = - ᔧ ml m l (1 ) 0, 0 1 -= = = े or ᯊˈ䆹ᮍ⿟㒘᳝䴲䳊㾷DŽ