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Showing posts from June, 2018

Advanced Knowledge Problem of the Week 6-28-18: Conjugates of a Subgroup [Group Theory]

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Check out this Advanced Knowledge Problem of the Week. Be sure to let us know how you solved it in the comments below or on social media! Solution below. Solution Video

Problem of the Week 6-26-18: Integers and Quartics [Number Theory]

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Check out this Problem of the Week. Be sure to let us know how you solved it in the comments below or on social media! Solution below. Solution Video

Ramanujan's Sum Identity

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A fascinating result due to Ramanujan!

Advanced Knowledge Problem of the Week 6-21-18: A Problem involving Connected Sets [Topology]

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Check out this Advanced Knowledge Problem of the Week. Be sure to let us know how you solved it in the comments below or on social media! Solution below. Solution Video

Problem of the Week 6-19-18: A Polynomial Inequality [Inequalities]

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Check out this Problem of the Week. Be sure to let us know how you solved it in the comments below or on social media! Solution below. Solution Video

Advanced Knowledge Problem of the Week 6-14-18: A Limit Involving an Integral [Real Analysis]

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Check out this Advanced Knowledge Problem of the Week. Be sure to let us know how you solved it in the comments below or on social media! Solution below. Solution Video

New Video Series on Integration Tricks

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Integration is a vast topic with many diverse techniques meant to help find the integrals of functions. Many delightful and elegant methods are used to tackle difficult integrals. This video series talks about a few of the less common, but still very useful, techniques. These videos cover topics such as the tangent half-angle substitution, integration with a parameter, and how symmetry in integrals can be useful. 

Problem of the Week 6-12-18: Making Polynomials Prime [Number Theory]

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Check out this Problem of the Week. Be sure to let us know how you solved it in the comments below or on social media! Solution below. Solution Video

Advanced Knowledge Problem of the Week 6-7-18: Order of an Element [Abstract Algebra]

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Check out this Advanced Knowledge Problem of the Week. Be sure to let us know how you solved it in the comments below or on social media! Solution below. Solution Video

Problem of the Week 6-5-18: A Composite Polynomial [Number Theory]

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Check out this Problem of the Week. Be sure to let us know how you solved it in the comments below or on social media! Solution below. Solution Video