A.
B.
C.
D.
[单选题]当x→0时,f(x)=x-sinax与g(x)=x2ln(1-bx)是等价无穷小,则( ).A.B.C.D.
[单选题]当x→0时,f(x)=x-sinax与g(x)=x2ln(1-bx)是等价无穷小,则( ).A.B.C.D.
[题目]当 arrow 0 时, (x)=x-sin ax 与 (x)=(x)^2ln (1-bx)-|||-等价无穷小,则 ()-|||-
当x→0时 (x)=x-sin ax 与 (x)=(x)^2ln (1-bx) 是等价无穷小,-|||-则 ()-|||-(A) =1, =-dfrac (1)
(1)当x→0时,f(x)=sin(ax^3)与g(x)=x^2ln(1-x)是等价无穷小量,则( ).A. a=1B. a=2C. a=-1D. a=-2
1.单选题(1)当x→0时,f(x)=sin ax^3与g(x)=x^2ln(1-x)是等价无穷小,则()A. a=1B. a=2C. a=-1D. a=-2
15.当x→0时,与 ln (1+(x)^2) 等价无穷小的是 ()-|||-
9.当x→0时, (x)=a(x)^3+bx 与 (x)=(int )_(0)^sin x((e)^(t^2)-1)dt 是等价无穷小,则 ()-|||-(A)
已知当x→0时f(x)=3sinx-sin3x与cxk是等价无穷小,则( ).A. k=1,c=4B. k=1,c=-4C. k=3,c=4D. k=3,c=-
1.当x→∞时,sin^2(1)/(x)与(1)/(x^k)为等价无穷小,则k=1.当x→∞时,$\sin^{2}\frac{1}{x}$与$\frac{1}{