求极限,lim(x^2sin(1/x))/sinxlim(x^2sin(1/x))/sinx=?x-->0lim(1/X)ln(1+x+x^2)=?x-->0

求极限lim(x-->0)x^2 sin(1/x), 求极限：lim(x*sin(1/x))^2 lim x->0(sqrt(sin(1/x^2)) 求极限 求极限 lim sin(x^2 * sin (1/x))/x x->0求极限 lim sin(x^2 * sin (1/x))/x x->0 求极限ln(1+2x)/sin(1+2x),lim x->0求它极限. 求极限,lim x趋于0 x * sin 1/x 求极限 （（sin(x^3+x^2-x)+sin x) /x x→0 已知lim sinx/x=1 lim（sin（x-1））/(x^2+x-2),x趋于1,求极限 求 lim(x→∞)[sin(2/x)+cos(1/x)]^x的极限. 求极限lim(x趋向于0)ln(1+x^2)/sin(1+x^2) 求极限：lim x→0 ln[1+sin^2(x)]/[e^(x^2)－1] 求极限（X趋于1）lim{[sin(x-1)]^2}/x-1 lim(x→1) sin^2(x-1)／x-1 求极限 求极限lim(x→1) sin(1-x)/(1-x^2) 求lim [sin(x^2-1)]/(x-1) x趋向于1的极限. 求lim(x-0)1-cos4x/2sin^2x+xtan^2x的极限 lim 1-cos4x/2sin^2x+xtan^2x x趋近于0 求极限 求极限lim(x→0) sin(1-x)/(1-x^2)