If a + b + c = 0, then the value of (a2/bc + b2/ca + c2/ab) is :

Answer: D. 3

a + b + c = 0 → a3 + b3 + c3 = 3abc
.`.  a3/abc + b3/abc + c3/abc = 3  or  a2/bc + b2/ac + c2/ab = 3.