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Simplifying sqrt(2+sqrt(3)) in Three Ways

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A Very Nice Exponential Equation

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Evaluating an Exponential Expression in Three Ways

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Solving sin(x)^sin(x)=2

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This Sum Will Make Your Day

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Sum from 1 to infinity of 1/(k^2+1)

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Les 10 meilleures preuves en mathématiques au secondaire | jensenmath.ca

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An Interesting System of Differential Equations