高等数学（文本复习题.doc

文档介绍：高等数学(文本)复****题一、=的定义域是( )A. . .=()=cos的定义域是( )A. . =sin的周期为( ) .( ) =ex的切线,则:切线的方程为()====(x)=x(x-1)(x-2)(x-3),则:方程f′(x)=0,在〔0,3〕内的根的个数为()=2x3,则:(),则()><><=f(x,y)在点(x0,y0)处连续是z=f(x,y),在点(x0,y0)处存在一阶偏导数的(),()-y2=CB..x2+y2=+y=()(1+)=x2上点N(x0,y0)的切线平行于ox轴,则N(x0,y0)为( )A.(1,1) B.(1,0)C.(0,0) D.(0,1)=xlnx,则( ) +1 +=lncosx,则( ) B.- D.-( ) ,满足罗尔定理全部条件的区间是( )A.[-2,0] B.[0,1]C.[-1,2] D.[-2,2]=x+arctgx在(-∞,+∞)上( ) ( ) +(x)在区间[a,b]上连续,( )(x) (b) D.-f(x)21.( )A.-1 . .( ) D.-( ) (σ)为:x2+y2-2x≤0,二重积分在极坐标下可化为累次积分( )A. . ,则( ) =ln(x2+y2)的间断点为( )A.{(x,y)|x<0,y<0} B.(0,0)C.{(x,y)|x2+y2≠0} D.(1,1),可知( )A. . ( )=e-x(C1+C2x) =Ce-=Cxe-x =C1+( ) .( )A. D.∞ .( )A. . =a+aq+aq2+…+aqn,|q|<1,则( )A. (x)=( ) ( ) +(1+e-x)sinydy=0是( )