TMUA 2018: 29 of 40 questions decoded, by method & chapter.

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The paper at a glance, coloured by move. Click a square to open its question; empty squares are not decoded yet.

• 1Integrand → Sum of PowersTunnelPureIntegration5 other sittings

  Same method, other sittings

  20162017201920212023

  Worked solutionOpen the method
• 2AP Sums → Linear RelationsTunnelPureSequences & Series2 other sittings

  Same method, other sittings

  20162020

  Worked solutionOpen the method
• 3Distance Between CentresKey methodPureCoordinate Geometry & Circles3 other sittings

  Same method, other sittings

  201920202023

  Worked solutionOpen the method
• 4Roots via the DiscriminantSystem → Single QuadraticKey methodPureAlgebra & Inequalities4 other sittings

  Same method, other sittings

  201920202023Specimen

  Worked solutionOpen the method

  AlsoSystem → Single Quadratic
• 5Factor & Remainder TheoremKey methodPureAlgebra & Inequalities4 other sittings

  Same method, other sittings

  201620172019Specimen

  Worked solutionOpen the method
• 6Sketching & Counting IntersectionsKey methodPureTrigonometry3 other sittings

  Same method, other sittings

  201620202021

  Worked solutionOpen the method
• 7Binomial General TermCoefficient RatiosKey methodPureCombinatorics & Binomial6 other sittings

  Same method, other sittings

  201620172019202020212023

  Worked solutionOpen the method

  AlsoCoefficient Ratios
• 9Root Count from Stationary ValuesKey methodPureFunctions & Graphs3 other sittings

  Same method, other sittings

  20162019Specimen

  Worked solutionOpen the method
• 10Absolute Value as DistanceKey methodPureAlgebra & Inequalities2 other sittings

  Same method, other sittings

  20192022

  Worked solutionOpen the method
• 11Tangent & Normal LinesTunnelPureDifferentiation2 other sittings

  Same method, other sittings

  20162017

  Worked solutionOpen the method
• 12Total Area via Split IntegralsKey methodPureIntegration4 other sittings

  Same method, other sittings

  2016201920212022

  Worked solutionOpen the method
• 15Exponentials → Polynomial in $u$Common-Base ConversionCombining Logarithmic RootsKey methodPureExponentials & Logarithms7 other sittings

  Same method, other sittings

  201620172019202020212023Specimen

  Worked solutionOpen the method

  AlsoCommon-Base ConversionCombining Logarithmic Roots
• 16Two-Stage OptimisationKey methodPureDifferentiation4 other sittings

  Same method, other sittings

  2016201720192022

  Worked solutionOpen the method
• 17Means & Percentages → TotalsKey methodProb & StatsProbability & Statistics1 other sitting

  Same method, other sittings

  2016

  Worked solutionOpen the method
• 19The SSA Ambiguous CaseKey methodPureTrigonometry2 other sittings

  Same method, other sittings

  20222023

  Worked solutionOpen the method
• 20Pairing & Grouping Trig SumsKey methodPureTrigonometry2 other sittings

  Same method, other sittings

  20192020

  Worked solutionOpen the method

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The paper at a glance, coloured by move. Click a square to open its question; empty squares are not decoded yet.

• 1Rewriting Before DifferentiatingTunnelPureDifferentiation4 other sittings

  Same method, other sittings

  201620172020Specimen

  Worked solutionOpen the method
• 2Binomial General TermKey methodPureCombinatorics & Binomial3 other sittings

  Same method, other sittings

  201920202023

  Worked solutionOpen the method
• 6Counterexamples to 'For All'Cubic Root Count by ShapePavlovReasoningLogic & Proof5 other sittings

  Same method, other sittings

  2017202020212022Specimen

  Worked solutionOpen the method

  AlsoCubic Root Count by Shape
• 9Spotting the First Wrong LineKey methodReasoningLogic & Proof5 other sittings

  Same method, other sittings

  2017201920202021Specimen

  Worked solutionOpen the method
• 11Quantifier Order & ScopeKey methodReasoningLogic & Proof1 other sitting

  Same method, other sittings

  2022

  Worked solutionOpen the method
• 12Quantifier Order & ScopeNegating QuantifiersKey methodReasoningLogic & Proof3 other sittings

  Same method, other sittings

  20172022Specimen

  Worked solutionOpen the method

  AlsoNegating Quantifiers
• 13Spotting the First Wrong LineKey methodReasoningLogic & Proof5 other sittings

  Same method, other sittings

  2017201920202021Specimen

  Worked solutionOpen the method
• 14The SSA Ambiguous CaseKey methodPureTrigonometry2 other sittings

  Same method, other sittings

  20222023

  Worked solutionOpen the method
• 15Graph Moves → SubstitutionsRoot Count from Stationary ValuesKey methodPureFunctions & Graphs6 other sittings

  Same method, other sittings

  20162019202020222023Specimen

  Worked solutionOpen the method

  AlsoRoot Count from Stationary Values
• 16Testing Must-Be-True ClaimsKey methodPureSequences & Series3 other sittings

  Same method, other sittings

  201620202023

  Worked solutionOpen the method
• 17Exponents of Prime FactorsKey methodPureProof & Number Theory2 other sittings

  Same method, other sittings

  2021Specimen

  Worked solutionOpen the method
• 19Combining InequalitiesKey methodPureAlgebra & Inequalities3 other sittings

  Same method, other sittings

  201720192020

  Worked solutionOpen the method
• 20Taming SurdsKey methodPureAlgebra & Inequalities2 other sittings

  Same method, other sittings

  20192023

  Worked solutionOpen the method