1*2*3*``````*n=n!(读作n的阶乘),S=1+1/1!+1/2!+1/3!+``````+1/2010!,求S的
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1*2*3*``````*n=n!(读作n的阶乘),S=1+1/1!+1/2!+1/3!+``````+1/2010!,求S的
1*2*3*``````*n=n!(读作n的阶乘),S=1+1/1!+1/2!+1/3!+``````+1/2010!,求S的
1*2*3*``````*n=n!(读作n的阶乘),S=1+1/1!+1/2!+1/3!+``````+1/2010!,求S的
答案是e(e=2.71828)
这个题主要用泰勒级数展开(e^x 表示e的x次方)
e^x=1+x+(x^2)/(2!)+(x^3)/(3!)+(x^4)/(4!)+...+(x^2010)/(2010!)+.
此处令x=1,S近似等于e.
当项数趋向无穷时,S就是自然对数的底e,这个用计算机算。