A cute combinatorial identity

Just wanted to record a cute combinatorial argument. Prove that      I read this formula in the article “Pascal functions” in “The American Mathematical Monthly”. They prove it using the new machinery of Pascal functions that they develop in the article. I tried proving it using an algebraic argument, but couldn’t find the rightContinue reading “A cute combinatorial identity”

Effective Altruism – March

I’m recording the payment I made to Effective Altruism in the month of March, to keep my pledge of donating 10% of my lifetime income to it. I had said that I’ll soon write an article about causes that concern me/that I want to make monetary contributions to. Some articles that I read in theContinue reading “Effective Altruism – March”