... TRNGTHPTCHUYấNTRNPH TTONưTIN THITHIHCLN2 NMHC2012ư2013 Mụnthi:TONư Khi:A,A1,B Thigianlmbi180phỳt,khụngkthigiangiao PHNCHUNGCHOTTCCCTHSINH (7.0im) CõuI(2.0im).Chohms ... Cmn(beyeu18@yahoo.com)giti www.laisac.page.tl TRNGTHPTCHUYấN TRNPH HNGDNCHMMễNTONKHIA,A1,B NMHC2012ư2013 (Thigianlmbi180phỳt) Cõu í Nidung im 1 Chohms x 2 y x 1 - = + ,cúth(C). 2,0 Khosỏtsbinthiờncahmsvvth(C) 1,0 *Tpxỏcnh:D ... " ẻ + 0,25 *Sbinthiờn: +Giihn: x x 1 x 1 x lim y lim y 1, lim y , lim y + - đ-Ơ đ- đ- đ+Ơ = = = -Ơ = +Ơ . th(C)cútimcnnganglngthngy=1,timcnnglngthngx=ư1 0,25 +Bngbinthiờn: x ư Ơ ư1 +Ơ y...