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)
[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.
[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.
(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
当 x to 0 时,sqrt(1 + ax^2) - 1 与 sin x^2 是等价无穷小,求 a 的值。当 $x \to 0$ 时,$\sqrt{1 + a
1.当x→∞时,sin^2(1)/(x)与(1)/(x^k)为等价无穷小,则k=1.当x→∞时,$\sin^{2}\frac{1}{x}$与$\frac{1}{
已知当X趋近于0时,x^2ln(1+x^2)是sin^n(x)的高阶无穷小,sin^n(x)又是1-cosx的高阶无穷小,求正整数n已知当X趋近于0时,x^2l
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)