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How to solve quadratic equations
Complete the square
Equation-solving front page
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Recent articles
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Geometric view of Hölder's inequality
Diagonal arguments
Finding an interval for rational numbers with a high denominator
Try to prove a stronger result
Use self-similarity to get a limit from an inferior or superior limit.
Prove a consequence first
Lower degree by increasing dimension (or vice-versa)
Numerical optimization
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Tricki Papers
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Higher dimensional analogues
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Angela, I think you missed
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covering a disc
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Only if squares are of the
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