Question

Show that the equation px^2+qx+r=0 and qx^2+rx+p=0 will have a common root if p+q+r=0 or p=q=r?

Answer 1

Please see solution https://socratic.org/questions/show-that-the-equation-px-2-qx-r-0-and-qx-2-rx-p-0-will-have-a-common-root-if-p--1