Difference between revisions of "MIE 2015/Day 1/Problem 2"
(Created page with "==Problem 2== The polynomial <math>x^3+ax^2+bx+c</math> has real roots <math>\alpha</math>, <math>\alpha</math> and <math>\frac{1}{\alpha}</math>. Thus the value of the sum o...") 
(No difference)

Latest revision as of 13:25, 11 January 2018
Problem 2
The polynomial has real roots , and . Thus the value of the sum of is:
(a)
(b)
(c)
(d)
(e)
Solution
By Girard's relations (also called Vieta's formulas or Newton's identities),