Question

find the roots of the quadratic equation root2square+7x+5root2=0

Answer 1

the roots of the quadratic equation (m−n)x2+(n−ℓ)x+(ℓ−m)=0(m−n)x2+(n−ℓ)x+(ℓ−m)=0are equal, then show that ℓℓ, mm, nn are in AP.