Browse · MATH
Printjmc
algebra senior
Problem
Let be distinct real numbers such that the roots of are and and the roots of are and Find the value of
Solution
By Vieta's formulas, From the first equation, From the third equation, Substituting into the second and fourth equations, we get Expanding, we get Subtracting these equations, we get so Since and are distinct, we can divide both sides by to get Hence,
Final answer
1210