求lim(x→0)(√(1+x)-1)/x极限过程?

求极限lim(x→0)sinxsin(1/x);lim(x→∞)(arctanx/x) 求lim(√x^2+1)-x x→-∞ 求极限lim Ln(1+x) /x > .< x→0 求lim(1-cosx)/x^2求lim(1-COSX)/X^2X→0 求极限lim[(a^x+b^x)/2]^1/x (x→0)a>0,b>0 lim【x→0】[(a^x+b^x)/2]^(1/x) =e^ lim lim【x→0】[ln(a^x+b^x)-ln2]/x =e^ lim【x→0】[1/(a^x+b^x)]*[(lna)(a^x)+(lnb)(b^x)] =e^[(1/2)*(lna+lnb)] =√(ab) 其中 的e^ lim lim【x→0】[ln(a^x+b^x) 求lim(x→0)x cos 1/x lim(x→∞)x^2/ (3x-1)的极限 求lim(x→0)(√(1+x)/x)∧2X极限过程? 求极限lim(x→0)x²/1-cosx 求Lim(x→0)(sinx/x)^(cosx/1-cosx) 求极限lim(x→0) cos(1/x) 求lim(1-cos2x)/x^2极限,x→0 求极限lim(x→0)(cosx-(1/x)) 求极限lim x→0 (1/xsinx+xsin1/x) 求极限lim(x→0) (1-sinx)^(2/x) 求极限 lim(x→0)(1-sinx)^(2/x) 求极限lim x→∞ (x/(1+x))^x 如何用洛必达法则求lim x→0+ (√x)/(1-e^√x) 求lim(x→0)ln[1+e^x(sinx)^2]/√(1+x^2)-1