Tìm bán kính hội tụ và miền hội tụ của chuỗi lũy thừa:
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Mathematics, 17.06.2021 01:00 MorgannJ
Tìm bán kính hội tụ và miền hội tụ của chuỗi lũy thừa:
( ) ( )
( ) 2
1
1 2
4 2
n n
n
n
x
n
∞
=
− −
+
∑ .
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Answers: 1
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