Mathematics
Senior High
Resolved
くくるのってどこまでやればいいとかありますか?
1
-(3)") - (2n-1) (+)"
nth
- 2 - (+)" - (2 h −1) (+) ""
よって
2
3
3
ntl
3
3+(n-1)}(3)
S=1 - (n+1) ・(5)^
h+/
n+1
n+
×
3
Answers
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