In 2019, mathematicians finally solved one of the hardest math problems—one that had stumped them for decades. It’s called a Diophantine Equation, and it’s sometimes known as the “summing of three cubes”: Find x, y, and z such that x³+y³+z³=k, for each k from one to...
Problem 2 also took me many hours to solve.How hard are these problems? Any teenage student can understand the proof, but very very few are able to discover the proof on their own. Of the people who have emailed me (more than a thousand), fewer than five percent (mostly math ...
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