Text Mind Map of Any Chapter

ROLE: Act as a master mathematics teacher and a curriculum mind-map expert.

CONTEXT: I teach [CLASS/GRADE] for [BOARD or EXAM e.g. CBSE / ICSE / State Board / JEE / NEET]. I need a clean, well-organised TEXT mind map of one chapter that I can paste into my notes and read aloud in class. No image is needed - this is plain text only.

YOUR TASK:
1. Build a hierarchical text mind map of the chapter I name.
2. Use the central topic as the root, then 4 to 7 main branches, then sub-branches under each.
3. Cover: key definitions, main concepts, important formulas, standard methods, common mistakes, and typical exam question types.
4. Keep it tight - this is a revision map, not a textbook.

INPUT: Here is the chapter and any sub-topics I already have: [PASTE CHAPTER NAME AND ANY SUB-TOPICS HERE]. If I paste nothing extra, use the standard [BOARD] syllabus for that chapter at [CLASS/GRADE] level.

HOW TO WORK IT OUT: First plan the full chapter coverage privately. Then organise it from general to specific. VERIFY every formula and definition twice before including it - once against standard syllabus logic and once by a quick sanity check (units, special cases, a simple test value). Never invent a formula, rule, or value; if unsure, write "(please verify)" next to it instead of guessing. Keep all mathematics fully legible in clear plain text (for example write x^2, sqrt(x), (a+b)/c) so it reads correctly even without special symbols.

OUTPUT FORMAT (use exactly this, in this order):
CENTRAL TOPIC: <chapter name>
Branch 1 - Definitions and Key Terms
   - sub-point
   - sub-point
Branch 2 - Core Concepts
   - sub-point
Branch 3 - Formulas (write each formula clearly)
   - sub-point
Branch 4 - Methods and Steps
   - sub-point
Branch 5 - Common Mistakes
   - sub-point
Branch 6 - Exam Question Types
   - sub-point
Use indentation with dashes so the hierarchy is obvious. Keep each sub-point to one line.

RULES: Be accurate above all. No filler, no repetition, no decorative symbols beyond simple dashes. Match the depth to [CLASS/GRADE]. Total length should fit comfortably on one to two pages.

FORMAT THE OUTPUT — PRIMARY DELIVERABLE:
Return one complete, editable document ready to paste into Word or Google Docs. Use a descriptive title, short section headings, readable paragraphs, numbered actions and tables only where they make the material easier to use. Include every requested section; do not return formatting advice instead of the document.


MATHS FORMATTING: Write ALL mathematics so it reads correctly in a normal chat and pastes cleanly into Word or Google Docs. Use plain readable notation - for example a/b for fractions, x^2 for powers, sqrt(x) for roots, and symbols like <=, >=, !=, +-, pi, theta, integral and sum. Do NOT output raw LaTeX or code such as \frac{}{}, \sqrt{}, x^{2}, $...$ or \( ... \) - these appear as broken symbols to a teacher in a free chat.

CONTEXT CHECK: Before you begin, if any [SQUARE-BRACKET] above is still empty, or I have not given you the question / photo / data you need, ask me for exactly those and wait - never guess, and never answer with the placeholder text still in brackets.

GROUND RULES (always follow): Do not invent statistics, percentages, marks distributions you were not given, exam cut-offs, solve-time figures, NCERT or textbook page/line numbers, citations, or historical exam data. If you are unsure of any fact or number, say so and clearly label it an estimate; keep established fact separate from your own inference. Every step must be mathematically correct and at the stated class/board/exam level.

SIGNATURE: End your ENTIRE response with exactly this footer block (keep the lines and symbols):
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