跪求f(x)=2-(x分之3)limx*sin(1/x)
limx趋于0x/f(3x)=2,求limx趋于0f(2x)/x
已知{limx趋近0 [(sin6x)+xf(x)]/x^3}=0 求limx趋近0 [6+f(x)]/x^2=?答案是
已知limx趋近0 [6+f(x)]/x^2=36,求limx趋近0 [(sin6x)+xf(x)]/x^3=?
求极限 limx→4 sin(x-4)/x^2-2x-8
求极限limx→0(e^x一1一x)^2/tanx*sin^3x
若limx→2 f(x)-5/x-2=3,求limx→2 f(x)极限值
已知函数f(x)=2倍根号3sin(x-4分之π)cos(x-4分之π)-sin(2x-π) (1)求函数f(x)的单调
已知limx/f(4x)=1,求limf(2x)/x x趋近0
lim1/根号n*sin (n趋近于无穷),limx^3+1/4-x^2(x趋近于2),limx^2+1/x-1/x^2
设f(x)={1/x,x^2-2x,3x-6 联立 条件有x<0,0≤x≤2,x>2,求limx→0f(x)及limx→
已知函数f(x)=sin(x+6分之派)+2sin²2分之x 1.求 f(x)单调增区间,
设极限limx→1f(x)存在,且f(x)=3x∧2+2xlimx→1f(x),求f(x)