计算1/X(X+1)+1/(X+1)(X+2)+.+1/(X+8)(X+9)①1/(1-X)+1/(1+X)+2/(1+X^2)+4/(1+X^4)②1/(1+X)+2/(1+X^2)+4/(1+X^4)+8/(1+X^8)

来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 19:28:46
计算1/X(X+1)+1/(X+1)(X+2)+.+1/(X+8)(X+9)①1/(1-X)+1/(1+X)+2/(1+X^2)+4/(1+X^4)②1/(1+X)+2/(1+X^2)+4/(1+X^4)+8/(1+X^8)
x){nu #4" 5 40փp-@\KG`U@L@X&@U j[@X6IE$XVN Jt~5ԯV@h8_OO"fCфķԯ@.kzӮO[=]rflok9k7|ھYgmlzڵRF 1|3

计算1/X(X+1)+1/(X+1)(X+2)+.+1/(X+8)(X+9)①1/(1-X)+1/(1+X)+2/(1+X^2)+4/(1+X^4)②1/(1+X)+2/(1+X^2)+4/(1+X^4)+8/(1+X^8)
计算1/X(X+1)+1/(X+1)(X+2)+.+1/(X+8)(X+9)
①1/(1-X)+1/(1+X)+2/(1+X^2)+4/(1+X^4)
②1/(1+X)+2/(1+X^2)+4/(1+X^4)+8/(1+X^8)

计算1/X(X+1)+1/(X+1)(X+2)+.+1/(X+8)(X+9)①1/(1-X)+1/(1+X)+2/(1+X^2)+4/(1+X^4)②1/(1+X)+2/(1+X^2)+4/(1+X^4)+8/(1+X^8)
1/X(X+1)+1/(X+1)(X+2)+.+1/(X+8)(X+9)
=1/x-1/(x+1)+1/(x+1)-1/(x+1)+...+1/(x+8)-1/(x+9)
=1/x-1(x+9)
=9/x(x+9)
如追加其它问题,采纳本题后点击想我求助,