Mathematics
Senior High
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2行目から3行目までの詳しい解き方を教えてください
(3) r=
√√2-1
よって
= √2+1
S=
(√2-1){(√2+1)" -1}
1
(√2+1)-1t
(√2+1)-¹-√2+1
√√√2
43283 J
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とてもわかりやすいです!
ありがとうございました🙏