, xác định bởi công thức
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Mathematics, 24.07.2021 09:50 httpsjuju
Cho cấp số cộng
un
, xác định bởi công thức
2
4 2
n
u n n
. Khi đó
10 u
bằng.
A. 58. B.
60 . C.
48 . D.
10
Answers: 2
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Cho cấp số cộng
un
, xác định bởi công thức
2
4 2
n
u n n
, xác định bởi công thức
2
4 2
n
u n n
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