List-I (Conversion)
List-II (Shape/geometry)
If the roots of the quadratic equation (a2+b2) x2−2 (bc+ad) x+(c2+d2)=0 (a^2 + b^2) \, x^2 - 2 \, (bc + ad) \, x + (c^2 + d^2) = 0 (a2+b2)x2−2(bc+ad)x+(c2+d2)=0 are equal, then: