1/2+1/4+1/8+1/16+...+1/1024
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/31 02:40:51
![1/2+1/4+1/8+1/16+...+1/1024](/uploads/image/z/977359-31-9.jpg?t=1%2F2%2B1%2F4%2B1%2F8%2B1%2F16%2B...%2B1%2F1024)
x)3767b 641LlPdhxcOy6uӎg<ԣgha[bh*e4{z8CM}C] !002 10@Th>ajvlxw]/"%d+t_Nj˞nz@O
(z
1/2+1/4+1/8+1/16+...+1/1024
1/2+1/4+1/8+1/16+...+1/1024
1/2+1/4+1/8+1/16+...+1/1024
1/2+1/4+1/8+1/16+...+1/1024为一个等比数列的和,
Sn=[A1(1-q^n)]/(1-q)
=1/2(1-1/2^10) /1- 1/2
=1-1/2^10
=1023/1024
0.5*(1-0.5^10)/(1-0.5).....你到网上查查"等比数列"...会很详细的..