Convert this problem into a structured JSON object. Analyze the problem to identify the types of questions and answers required.
NOTE: Answer objects MUST be wrapped in an answerGroup, not placed directly in the root content array. Preserving any special formatting, including LaTeX notation - YOU MUST NOT CHANGE THE TEXT OF THE QUESTIONS. IMPORTANT: For LaTeX tables using \begin{tabular} format, KEEP THEM AS PLAIN TEXT in their original LaTeX form. DO NOT try to convert them to structured table objects. A dedicated post-processing step will handle the table conversions later.
What types of questions and answers are required by this problem? Provide your answer in a single line text format.
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