Title 2a-De-thi-Toan-chung-CSP-2024.pdf ✅

B0 GrAo DUC vA DAo rAo rRrrdNG DAr Hec stl PHAM uA xQr xi, rHr ruytx slxu l6p ro tnu'oNc rupr cuuytN o HQC SIJ PHAM NAM 2024 or cuixH rHrIc (Di thi g6m c6 0t trang) vr6Nrnr: roAx (Dilng cho mei thi sinh thi tuyin vdo l6p l0 Truong THPT ChuyAn Dai h7c Su pham) Thdi gian ldm bdi; 90 phtit (kh6ng k0 thdi gian pfuit di) BAi l. (3,0 di6m) a) Cho A = lt-6Ji + 1l+ 6J1. Tlm gi6 tri cta lr. b)Cho b, c ldhais6thycth6a mdn 24b+c =-523. Bi6t phuong trinh x2 +bx+c=0 c6 hai nghiQm ti hai s5 nguy6n duong. Tim hai nghiQm tl6. Bti 2. (1,5 di6m) B1n Hgnh ldm mQt ng6i sao 6 c6nh c6 dqng hinh phing t6 ddm nhu hinh bOn theo c6ch nhu sau: Trdn to gi6y, ban ve iluong trdn b6n kinh 2 cm, ngo4i ti6p mQt lyc gi6c