September 2018 1 40 Report

Jeżeli x1, x2, x3 są pierwiastkami wielomianu W(x) = ax^3 + bx^2 + cx + d to

x1 + x2 + x3 = -b/a

x1 * x2 + x2 * x3 + x1 * x3 = c/a

x1 * x2 * x3 = - d/1

Czy to jest dobrze?


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