Mathematics & Statistics
Undergraduate
1.要怎麼求他的收斂半徑
2.x項的Cn 和 Cn+1是誰放在分母
求解🙏
00
56. Σmmxm
M
m=1
C
lim
1+15+1
1300
c,x"
, equivalently, when
|x|< lim
3001
n-o
Cn
= |x| lim
= R
n+1
11-00
Cn
<1
收斂
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