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Zi Song Yeoh

145 contributions · 462 fame

Edited explanationNov 18, 2019

Common Polynomial Irreducibility Criteria

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Edited explanationNov 18, 2019

Construction: Incenter

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Edited explanationNov 18, 2019

Advanced Triangle Centers: Orthocenter

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Edited explanationNov 18, 2019

Pigeonhole Principle

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Edited explanationNov 18, 2019

Cauchy-Schwarz Inequality

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Edited explanationNov 18, 2019

The Harmonic Mean and the AM-HM Inequality

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Edited explanationNov 18, 2019

Probabilistic Method

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Edited explanationNov 18, 2019

Intuition for the Derivative at a Point

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Edited explanationNov 18, 2019

Advanced Triangle Centers: Centroid

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Wrote explanationJun 27, 2016

Triangle Area in Terms of Base and Height

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Wrote problemJun 21, 2016

Olympiad Algebra and Analysis

Wrote problemJun 21, 2016

Formal Definitions of Common Sets

Wrote problemJun 21, 2016

Triangle Area in Terms of Base and Height

Wrote problemJun 21, 2016

Triangle Area in Terms of Base and Height

Wrote problemJun 21, 2016

Triangle Area in Terms of Base and Height

Wrote explanationApr 18, 2015

Multiplicative Cycles b, b², b³, ... (mod N) and Order

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Edited explanationJan 9, 2015

When Is a Quadrilateral Cyclic?

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Edited explanationJan 9, 2015

When Is a Quadrilateral Cyclic?

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Edited explanationJan 9, 2015

When Is a Quadrilateral Cyclic?

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Edited explanationJan 9, 2015

When Is a Quadrilateral Cyclic?

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Wrote explanationJan 8, 2015

When Is a Quadrilateral Cyclic?

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Edited explanationOct 18, 2014

What Is a Regular Polygon?

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Edited explanationOct 18, 2014

What Is a Regular Polygon?

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Edited explanationOct 8, 2014

What Is Inversion?

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Wrote explanationOct 8, 2014

What Is Inversion?

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