:- cAu rRUC Bt XrErvr rry._HQC ri z (NAwI rrQC 2012- 2013) udn roAN LOp t0- thli gi"" go phrit. T. PTIAN CHI]NG CHO H9C SINH CA rrAr BAN 1r,O ArAMtr CAu I: 1Z,O ilam\ ' f/. ng dung ddu nhi thric, tam thric d. giai b6t phuong trinh ' ung dpng dau nhi thf;, tam thric aSti*-oi5r lici.tu tham s6 d6 phucrng trinh bpc hai c6 nghiOm, c6 nghiOm thoa di6u kiOn cho tru6c, CAu trtr: 1Z,O CtA4 " Tinh gi6tri lugng gi6c. " Chfng minh mQt hQ thtrc luong gi6c. CAu III: (3,0 diAm) _. U11to6n hinhgittitichtrong mAt pi\ang. " I im diem, vi6t phuong trinh dudng thhng, dudng trdn. . Ifnh khoing c6ch, goc. II. PHAN RIENG: ( 3,0 dian) ( Th{ sinh hoc theo chaong trinh ndo chi ctttoc ldm phin tldnh cho chaong trinh rt6) A. Ddnh cho thi sinh hgc srich co bttn Cdu IVa: (2,0 di1m) ' Giai b6t phuong trinh chria cdn " ViCt phuong trinh chinh tic cua elip. " Bdi todn ve t g thric luong. . Bdi to6n hinh hoc gi6i tich phdng. B. Ddnh cho th{ sinh hgc stich nfing coo Cdu Vb: (2,0 diAnc) . Giai bAt phuong trinh chria cdn . ViCt phuong trinh chfnh tdc ctra elip, hyperbol, parabol. CAu VIb: (1,0 diAm) . Bdi to6n vA trQ thric lugng . Bdi to6n hinh hqc gi6i tfch phnng. II6r . :- cAu rRUC Bt XrErvr rry._HQC ri z (NAwI rrQC 20 12- 20 13) udn roAN LOp t0- thli gi"" go phrit. T. PTIAN CHI]NG CHO H9C SINH. Ddnh cho th{ sinh hgc stich nfing coo Cdu Vb: (2, 0 diAnc) . Giai bAt phuong trinh chria cdn . ViCt phuong trinh chfnh tdc ctra elip, hyperbol, parabol. CAu VIb: (1,0 diAm) phin tldnh cho chaong trinh rt6) A. Ddnh cho thi sinh hgc srich co bttn Cdu IVa: (2, 0 di1m) ' Giai b6t phuong trinh chria cdn " ViCt phuong trinh chinh tic cua