Thi thử ĐH lần 4 2011 D THPT Lê Xoay

l pn rnr rHrIDAr HQC IAN TRtroNG THPT r,t, xoay xannfiQc mrO -2011 w Mdn To6n, khiii D Thdi gian: 180 phirt (khdng k€ thoi gian giao dA) Ciu I l Tim khoing ddng bi6n, nghich 2.Chohdmsd !=x3-]r*lc6cl6thi 4" hai truc tga dQ Ox,Oy CAu lin luCI b6t phuong xzl' (C).Vii5tphuongtrinhtlulngthing Ati6pxricv6'i (C)vacft t4i 1,8 cho OA = 2OB trinh r+ log, (9- z') > 3trCn tflp hqp s6 thuc Tirn nil6 phuong trinh Cf,u cuc tri cua hdm sO y = lI l Giai biiSn vd \6;i*.6-r *{r*f [:-r) = mc6nghiQm III l Giai phuong trinh tanx-4cotx Giai phuong trinh rinh tich phan an'!-2+cot'! = 22 z3 +322 + 6z + = tr€n tap hqp s6 phric ,:td:.n Ciiu IV (x=0 {x=l+t l.Chohaicluongthlngd,'ly-O ll i [z=-5+r drly=q-zt [z=5+3r Chfrng t6 r6ng d,,drch6onhau ViiSt phuong trinh duong vu0ng g6c chung cia Cho hinh ch6p S.ABCDddu canh d6y bing oud ffi =a Tinh th.i ti,ch kh6i chOp di Vi6t phucmg trinh ti6p tuyiin chung c0a hai duong trdn sau: (c,),(r-r)' +(y-3)2 = vd (cr): x2 * y' =l -s6tFIo vd t€n thisinh: C6n bd coi thi khdng giii : d,dr SO Uao danh: thich gi th€m http://www.violet.vn/haimathlx cho