Mathematics

22 February, 15:12

1. The first formula found for solving cubic equations applied only to cubics without a square term. In modern notation, these look like These are sometimes called "depressed cubics." Let y x - and substitute in the equation below to "red uce" the cubic. Verify that the square term will disappear. Now we can solve this equation for x using the formula forx, and then subtra ind y

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