A.1
B.2
C.3
D.4
[单选题]设f(x)满足,当x→0时,lncosx2是比xnf(x)高阶的无穷小,而xnf(x)是比esin2x-1高阶的无穷小,则正整数n等于( )。A.1
[单选题]设f(x)满足,当x→0时,lncosx2是比xnf(x)高阶的无穷小,而xnf(x)是比esin2x-1高阶的无穷小,则正整数n等于( )。A.1
[单选题]设f(x)满足,当x→0时,lncosx2是比xnf(x)高阶的无穷小,而xnf(x)是比esin2x-1高阶的无穷小,则正整数n等于( )。A.1
[单选题]设f(x)满足,当x→0时,lncosx2是比xnf(x)高阶的无穷小,而xnf(x)是比esin2x-1高阶的无穷小,则正整数n等于( )。A.1
[单选题]设f(x)满足,当x→0时,lncosx2是比xnf(x)高阶的无穷小,而xnf(x)是比esin2x-1高阶的无穷小,则正整数n等于( )。A.1
[单选题]设f(x)满足,当x→0时,lncosx2是比xnf(x)高阶的无穷小,而xnf(x)是比esin2x-1高阶的无穷小,则正整数n等于( )。A.1
[问答题]设f(x)=,且点x=0是f(x)的可去间断点,则α=----------,β=--------------.
[单选题]设f(x),g(x)具有任意阶导数,且满足则( ).A.为的极小值B.为的极大值C.为曲线的拐点D.由才能确定的极值或拐点
[单选题]A.B.C.D.
[单选题]A.14.0L/s,1.08mB.9.0L/s,1.08mC.9.0L/s,0.66mD.14.0L/s,0.66m