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Re^2: [OT] math fulgurationby jo37 (Deacon) |
on Apr 07, 2021 at 17:06 UTC ( [id://11130965]=note: print w/replies, xml ) | Need Help?? |
though they meant geometric series Maybe that has a cultural aspect. Here in Germany the equation x² - y² = (x - y)(x + y) is known as the "third binomial formula" with a generalization to the n-th power as cited. Greetings,
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