Mathematics
Senior High
Resolved
線を引いているところで、左の式からどうやって、右の式に変形したのかがわかりません。よろしくお願いします!!
[1] logs
n=1
n+2
n
=
Σ {logs (n+2)-logs n}
n=1
=(log53-log51) + (log54-log52) + (log55-log53)
++(logs 12-10g510)
=-logs 1-log52+log511+logs 12=log52+log53+log511
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理解できました!ありがとうございます!!