!.i+iaiiw€lFt tr.r _.=:: -i Trudng DHsp rp.HCM oE rm rEr THUC r{ec PHAN Khoa vat Ly T6n hec phAn: EAI s6 2 (dn l) o0o Lcrp : Ly I - Cri nh6n VAt ly : Ihdi gian: 60 phlit. Nim hgc: 2007 - 2008 Bai 1: (3 di€m) cho phdp biiSn d6i tuyiSn tinh f : R3 -+ R3 c6 ma trdn bi€u di6n (t l 3) a=lr s rl [r t t) a) Tim gi6 tri ri€ng vd vecto ri6ng cfia ma tr{n A. L6f, -$,4hU fu' hLU b) Tim Im -f vd Kerf . Bai 2. (4 di6m) NhAn d4ng vd bi6u di6n dudng blc 2trong mflt phing oxy: ;,i,,- 9x2 -24ry +16y, -20x +l lOy - 50 = 0 " BAi 3: (3 cli€m) Trong khdng gian Oxyz, gei S ld phAn mflt paraboloid trdn xoay y' + ,' = 2x nim giiia m{t try yr: x vil mat phdng x = I . a) Bi6u di6n c6c m{t dd cho trOn cirng h$ truc dQ Oxyz. '.* !l fig hinh chii5u A]-qlL"" sj9".!_g$$gne oyz. v6hinh nriQn s' trong rndt Ph6ng OYz. "- ' i' Y*' uer Ghi chri: Sinh viAn kh6ng &rgc sth &.tng tdi lieu . A. L6f, -$ ,4hU fu' hLU b) Tim Im -f vd Kerf . Bai 2. (4 di6m) NhAn d4ng vd bi6u di6n dudng blc 2trong mflt phing oxy: ;,i, ,- 9x2 -2 4 ry +16 y, -2 0 x +l lOy - 50 =. nh6n VAt ly : Ihdi gian: 60 phlit. Nim hgc: 20 07 - 20 08 Bai 1: (3 di€m) cho phdp biiSn d6i tuyiSn tinh f : R3 -+ R3 c6 ma trdn bi€u di6n (t l 3) a=lr s rl [r t. _.=:: -i Trudng DHsp rp.HCM oE rm rEr THUC r{ec PHAN Khoa vat Ly T6n hec phAn: EAI s6 2 (dn l) o0o Lcrp : Ly I - Cri nh6n VAt ly : Ihdi gian: 60 phlit. Nim hgc: 20 07