1、保密启用前 20212022 学年度第二学期期中质量检测 12yxx=1x=1123459145920()yf x=R0(1)(1)lim3xfxfx+(1)f 3(1)f 1(1)3 f(1)f 53612366061010CCx=xxy12312123O46468lnyxx=(,1)(0,1)(1,1)(1,)+41(1)xx+13413ln2a=1eb=,2(4ln 4)ec=,abcacbcababcbac()yf x=()yfx=()yf x=3x=0 x=()yf x=()yf x=(3,1)()yf x=1x=9230123(23)(1)(1)(1)xaa xa xa x=+99
2、(1)a x+2144a=01a=01291aaaa+=901293aaaa+=3333201834520212022CCCCC+=11AAAmmmnnnm+=5142332411004951495149514951CC CC CC CC C=+11A(1)Ammnnm+=+2()ln2af xx xx=1x2x12()xxa(,1)122xx+12112xx+2111xxa()sinf xxax=+3x=a=“”1123581310O2x12345612 3456O()(1)ln(1)f xxxx=+1x2x，3x，123xxx3122331()()()xxxxxx+421yx210(6)3ayxx=+36xa511a3x1(2)nxx+32()2f xxxx=+()yf x=2x=()yf x=O2()ln3f xxxx=+()f x12,1,2x x 12xx21121 2()()()m xxf xf xx xm21()ln2f xxax=21()e(1)12xg xxaxax=+()yf x=x()()f xg xa
