Given that x,y,z are all distinct and a is constant. Then find the value of x2(a−y)(a−z)(x−y)(x−z)+y2(a−z)(a−x)(y−z)(y−x)+z2(a−x)(a−y)(z−x)(z−y)
Assume values. Take x=1, y=2, z=3 and a=1
Substitute in equation and the result you get is 1.
Look in the answer options for 1.