Given that the equation has real roots

MATHEMATICS · Subjective · A Level · Mathematics · Algebra and Functions · Algebra and Functions

Problem

Given that the equation x4+ax3+bx2+ax+1=0x^4 + ax^3 + bx^2 + ax + 1 = 0 has real roots, find minimum value of a2+b2a^2 + b^2.

Related theory

Browse the problem library