given the geometric series s:(-1/2)+1/4+(-1/8)...... , find
the sum to infinity of all the terms that are positive in s
the sum to infinity of all the terms that are positive in s 點解??
geometric series??
2006-12-10 6:40 am
回答 (2)
2006-12-10 6:44 am
✔ 最佳答案
given the geometric series s:(-1/2)+1/4+(-1/8). ..... , findthe sum to infinity of all the terms that are positive in s
the sum to infinity of all the terms that are positive in s 點解??
求所有geometric series s:(-1/2)+1/4+(-1/8)中正數項的和
2006-12-09 23:00:27 補充：
the sum to infinity of all the terms that are positive in s=1/4+1/16+1/64+...=1/4/(1-1/4)=1/4/(3/4)=1/3
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