lim(x趋近于0)[sin6x+xf(x)]/x^3=0,则lim(x趋近于0)[6+f(x)]/x^2=?

lim(x趋近于0)[sin6x+xf(x)]/x^3=0,则lim(x趋近于0)[6+f(x)]/x^2=? x趋近0时，lim（6x-sin6x）/x的3次方=？ 假设lim(x趋于0)[(sin6x+xf(x))/x^3]=0,则lim(x趋于0)[(6+f(x))/x^2]=?, lim(x趋近于0）（Sinx）^2 =lim(x趋近于0）2x x趋于0,lim x-o ( sin6x+xf(x))/x3=0 ,lim x-o (6+f(x))/x2=? 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=? x趋近于0时,lim(sinx+tanx)/x=? 已知lim x→0 [sin6x+xf(x)]/x^3=0,求 lim x→0 [6+f(x)]/x^2? lim x→0 [sin6x+xf(x)]/x^3=0,求 lim x→0 [6+f(x)]/x^2 设x->0时,lim((sin6x+xf(x))/x^3)=0,求x->0时,lim((6+f(x))/x^2). 根据lim(sinx/x)=1求lim(tan2x/x)=?x趋近于0 x趋近于0