01.考研数学预备知识0基础知识点03小测验【公众号：小盆学长】免费分享.pdfVIP免费

—1—0基础知识03课后小测验1.arctan2xy在0x处的导数为______.2.22ln()yxax的导数为（）.A.22aaxB.221axC.22xaxD.221xax3.sin(0)xyxx的导数为（）.A.sin1sinlncosxxxxxxB.sin1coslnsinxxxxxxC.sin1sincosxxxxxD.sin1cossinxxxxx4.设函数yyx由方程yexye所确定，则0y______.A.1eB.1C.1eD.15.设函数yyx由方程yexye所确定，则0y______.A.21eB.eC.1eD.21e6.设32231xxfxx，求0f（）.A.3592336B.3592336C.592336D.3512336