About this document
Understanding Cubic Equations and Roots by Paula Fana is a document available to read on EtoBox.
This document discusses cubic equations of the form ax3 + bx2 + cx + d = 0. It notes that cubic equations always have at least one real root, unlike quadratic equations. The document then provides examples of cubic equations that have: 1) Three distinct real roots, as in x3 - 6x2 + 11x - 6 = 0, which has solutions of x = 1, 2, 3. 2) Two distinct real roots and one repeated root, as in x3 - 5x2 + 8x - 4 = 0, which has solutions of x = 1, 2. 3) One repeated real root, as in x3 - 3x2 + 3x - 1 = 0
- Author
- Paula Fana
- Language
- EN