1) a_(11)a_(22)-a_(21)a_(22) 2) a_(22)a_(22)=a_(21)a_(11) 2. Ecar 8 obunem Ax+By+Cz+D=0 Aneq 0, Bneq 0, C=0, Dneq 0, to survive ypassessme onpeasaner __ 1) mocrocrs, napassemagyo ocin Oy 2) noockocn Oxy 3) mockoers, mapazzenaryoo ocin Or 4) mockoen Oxz 3. Paccromane or rowor M_(4) pammo; 1) d=(vert Ax_(0)+By_(0)+C_(2)+Dvert )/(sqrt (A^2)+B^2+C^2) 2) d=(vert Ax_(0)+By_(0)+C_(2)+Dvert )/(sqrt (A+B+C)) 3) d=((Ax_(0)+By_(0)+C))/(sqrt (A^2)+B^2) 4) d=((Ax_(0)+By_(0)+C))/(sqrt (A+B)) paswa __ 1) (1)/(sqrt (1-u^2)) 2) (1)/(sqrt (1-u^2))cdot u' 3) (-1)/(sqrt (1-u^2)) 4) (-1)/(sqrt (1-u^2))cdot u' 5. Uncro A mananaerce f(x) B Totke xo, cca mobo no nano warrent moro DOMONT RETISHO x 6. TI o au ncex xneq x_(0) ynow ermop o vert delta -4vert lt varepsilon 1) vert f(x)+Avert gt e 2) vert f(x)-Avert gt c vert f(x)-Avert =0 4) vert f(x)-Avert lt varepsilon (} 2&3 3&-2 ) 1) (} -5&12 0&8 )

1) This expression represents the determinant of a 2x2 matrix. The correct answer is:1) 2) This expression is incorrect. The correct answer is:None of the above.2. Ecar 8 obunem to sureroe ypassevene onpeasativer __The correct answer is:1) mocrocrs, napasnesanyo ocin Oy3. Paccromane or rowor pammo;The correct answer is:1) 4. paswa __The correct answer is:1) 5. Uncro A mananaerce B Totke xo, cca mobo nonano moro s DOMONT RETISHO x 6. TI o au ncex ynow ermops ouprx yenonino The correct answer is:4) 6. The correct answer is:3)