福田の数学〜北海道大学2025理系第2問〜円に引いた2本の接線でできる四角形の面積の最大最小

2026 8:15
Synopsis
福田の数学です。 今回は旧・北海道大学2025理系第2問。円に引いた2本の接線でできる四角形の面積の最大最小の問題。
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