求解lim(1+2x+3x^2)/(6x^2)+lim(sinx^2/(2x^2)前一个x趋近于无限,后一个x趋近于0

一道极限题求解lim x->∞ ((2x+3)/(2x+1))^(x+1) 求极限值,lim {(x^2-2x+4)/(x^2-3x-1)}^(2x-1)求解!(x趋于无穷) 极限求解,在线等.（lim x均趋于零用lim表示）求解“lim((3^x)/(6+x))^((x-1)/2)”解答过程：原式=lim[(1-3/(6+x))^-((6+x)/3)]^-(3/2)*lim(1-3/(6+x))^-(7/2)=e^-（3/2）情高人解释求解过程 lim[(3x+2)/(3x-2)]^2x x趋于无穷大求解 求解当x趋向0时lim[sin(2^x)ln(x+1)]/(2^x-1) 求极限lim{xln(1+2/x)}用洛必达法则求解 10个个极限的运算求解1）lim（x-1）（3次根号下x-1）/（根号x-1)2）lim（x-∞）（x^2+1）^50/(x+1)^1003)lim(x-∞)2x+3/x+3次根号下X4)lim(x-0)sin4x/x5)lim(x-0)1-cos2x/xsinx6)lim(x-∞)[(x-1)/(x+3)]^(x+2)7)lim(x-∞)n[ln(n+3)-l 1、lim(x->无穷大) e^x arctanx2、lim(x->0)sinx√1+sin(1/x)3、lim(x->无穷大)【（√x^2+x+1）-【(√x^2-x+1)】4、lim(x->无穷大)((x+{x+(x)^0.5]^0.5}^0.5)/(2x+1)^0.55、lim(x->0)(sin3x+x^2sin1/x)/((1+cosx)x)6、lim(n->无穷大)(2^n)(si 求解lim(1+2x+3x^2)/(6x^2)+lim(sinx^2/(2x^2)前一个x趋近于无限,后一个x趋近于0 高数极限求解lim(x->-1）tan（x+1）/elim(x->-1）（x^3-4x^2+6)^1/3-elim(x->0)(9^x-2^3x)/(arctan2x-7x) lim(x->无穷大){(2^x-3^x)/2}^(1/x) lim(x->0)((2-x)/(3-x))^1/x limx→0(cosx)^(1/x^2)求解lim(x→0)((cosx)^(1/x^2)) 求解limx^(1/1-x) x→1 lim((2-x)/(3-x))^(1/x) x→1limx^(1/(1-x)) x→1 lim((2-x)/(3-x))^(1/x) x→1第二个问题错了lim((2-x)/(3-x))^(1/x) x→0 求极限lim(x→无穷)(1+1/(1-x))^2x利用重要极限求解 单变量微积分基础题一道求解lim(x->0) [(1+2x)^10-1]/x 求解一道大一极限题 lim（x→1）(1-x^2)/sinπx 求极限 ln (1+2x)/sin x,lim x->0 请用洛必达法则求解,