lim(x趋于无穷)xsin(3x/1+x^2)=

lim(x趋于无穷)xsin(3x/1+x^2)= lim x趋于无穷,xsin(2x/1+x^2)= x趋近于无穷 lim [xsin(1/3x) ]=? lim（x²+1/3x-2）sinπ/2 （x趋于正无穷）=?lim(sinx/2x-xsinπ/x) （x趋于正无穷)=? lim(sinx/x+xsin(1/x)) = x->无穷 求高数极限题 lim(x趋于正无穷）（xsin(π/x)+(π/x)sinx) 等于多少?求详解 lim(x+1/x+2)^x=?x趋于无穷 lim(x趋于无穷)(x/1+x)^(x+2)=? lim(x+1)^x+1(x+3)^x+3/x^2x+4 x趋于无穷 lim(1-1/x)^(根号下x) x趋于无穷 lim趋于无穷.(x+2/x+3)^2x lim(x+sinx)/(3x-arctanx)(x趋于无穷） lim In(1+e^x)/x x趋于正无穷 求当x趋于0时lim (1+x)^1/2-(1+x)^1/3/x;lim(xsin(1/x)+(1/x)sinx0的极限要过程,谢谢! lim (1-X-X^3)/(x+x^3) X 趋于正无穷 极限无穷小? lim (1-X-X^3)/(x+x^3) X 趋于正无穷 极限无穷小? 求极限的一道题 lim(x趋于0) (xsin 1/x-1/xsinx)= 极限lim x 趋无穷(sin5x/x-xsin(2/x))