lim(X->0)(7x^6+2x-1)/(2x^6+x+3)=?
lim(x->0)((2-x)/(3-x))^1/x
求极限 lim [(3+x)/(6+x)]^[(x-1)/2]= x→∞
求极限 ((sin(x^3+x^2-x)+sin x) /x x→0 已知lim sinx/x=1
lim(x^2+1/x^2-2x)^x=?
求极限 (1) x趋向x/6 lim ln(2cos2x) (2) x趋向0 lim(e^x-1)/x (3) x趋向0
lim(x趋近于0)[sin6x+xf(x)]/x^3=0,则lim(x趋近于0)[6+f(x)]/x^2=?
假设lim(x趋于0)[(sin6x+xf(x))/x^3]=0,则lim(x趋于0)[(6+f(x))/x^2]=?,
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).
求极限当x→0若lim[sin6x+x f(x)]/x^3=0,求lim[6+ f(x)]/x^2
已知1+x+x^2+x^3=0,求x+x^2+x^3+x^4+x^5+x^6+x^7+x^8的值