2-2는 쌍곡선의 방정식을 세우는 문제인데, 근거 부족, 정답 조건 누락, 내용지식 부족 순으로 많은 오류가 나타났다.
Problem 2-2 is about establishing a hyperbola equation, and many errors, such as order of lack of evidence, omission of correct answer conditions, and lack of knowledge of content, are committed to solving this problem.