Mathematics
Senior High
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1番最後の答えの変形の仕方を教えて欲しいです！
65 (1)
よって
S:
1
(3k-2)(3k+1)
=
1 / 1
3
3k-2
3k+1)
5/1/2(1-1)+1/3(1-1)+1/3(1-1)
1
4
34 7
37 10
1
+
+
3
(3n-2-3n+1
+1/2 (11/13)
=/(1
10
-
1
3n+1
=
3n+1
Answers
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