"Well no, but actually yes" 3!=3+2+1? Factorial vs triangular number. Reddit r/mathjokes

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bprp math basics

7 hours ago

"Well no, but actually yes" 3!=3+2+1? Factorial vs triangular number. Reddit r/mathjokes

"Well no, but actually yes" 3!=3+2+1? Factorial vs triangular number. Reddit r/mathjokes