... iDatt: log ,-& quot; (y + 2) ta co Pt sau: -2 e t- 1 'e logr-r(Y'+Z)-I e Y: -x-1t +- t0 ,25 2 D[t t-x +- x)ta co dt - (1 - i> ;a* ; dOi cQn tx A9 :J +- 2 -) J:44+, ... gt6c:S.AB'C' vd S.AC'D', tdc6:0 ,25 0 ,25 0 ,25 0 ,25 0,5 00 ,25 0 ,25 0 ,25 0 ,25 v(s.AB'c') ^sBo.,sc'Tuong tU thi: v(s.AC'D')v(s.ACD) 611v(s.ABC) ... x' -3 x' +2= (3r' - 6x)(x - m) - 2 <) x' -3 x' +4=3x(x -2 ) (x-*) <> HoA. x :2, hoirc2x&apos ;-( 3m-l)x +2= 0 (3)0 .25 rO rdng kh6ng co ti0p tuyOn naocdu...