Problem Sheet PDF Answers
Requirements
- Output a final English-only PDF built from real LaTeX source.
- Answer every visible question and subpart in original order, including footnotes, diagrams, tables, and continuation text.
- Use LaTeX math for all mathematical notation.
- Write solutions for a weak mathematics student: define symbols, state rules, show substitutions and algebra line by line, and do not skip "standard" steps.
- If a prompt asks for a graph, plot, sketch, construction,
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