lim( 根号(n+1)-根号n )
lim( 根号(n+1)-根号n )
数学人气:810 ℃时间:2020-01-14 16:58:26
优质解答
注:以下“lim”均省略“n→+∞”根号(n+1)-根号n={[根号(n+1)-根号n][根号(n+1)+根号n]}/[根号(n+1)+根号n]…………分子分母同乘[根号(n+1)+根号n]=1/[根号(n+1)+根号n]……………………分子有理化因为lim[根...
我来回答
类似推荐
猜你喜欢
- 1简便计算:1998分之1997×1999
- 2改同义句(1)It took me two hours to finish the houmework (2)I don't know what I can do with it.
- 3There is a "m" in the word "meal".改病句
- 4已知函数f(x)=2sin(∏-x)cos x 1.求f(x)的最小正周期.2.求f(x)在区间[-∏/6,∏/2]上的最大值和最小值.
- 5直线l过点A(-3,4),且点P(3,-2),Q(-1,6)到该直线的距离相等,求直线l方程及点A到P,Q所在直线的距离.
- 6Unluckily,the train( ) when we got to the station (leave)
- 7液体的压强练习题.
- 8无私奉献的作文开头
- 98个字的励志名言
- 10There are many shops on____side of the street.