=lim(e^x²-1-xln(1+x))/ln(1+x)(e^x²-1)=lim(e^x²-1-xln(1+x))/x*x²=lim(2xe^x²-ln(1+x)-x/(1+x))/3x²=lim(2e^x²+4x²e^x²-1/(1+x)-1/(x+1)²)/6x=lim(4xe^x²+8xe^x²+8x³e^x²+1/(x+1)²+2/(x+1)³)/6=(1+2)/6=1/2