Math Induction Trick RARELY taught in class!
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An UNUSUAL Induction Technique | Two Variable Induction
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Nonstandard Math Induction
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My First Harvard MIT Math Tournament Problem
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The Tangent Trick for Olympiad Inequalities
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Putnam Induction | A Nice Induction Problem from the Putnam Exam 2005 A1
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What are Invariants? Smashing Competition Math Problems with Invariants
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Which is larger??
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