Question

You are the best if u answer......

Answer 1

As we know ,

$(a + b + c)^{2} \\ = {a}^{2} + b^{2} + {c}^{2} + 2(ab + bc + ca)$

$a^{3} + {b}^{3} + c^{3} - 3abc \\ = (a + b + c) \: ( {a}^{2} + {b}^{2} + {c}^{2} - ab - bc - ca)$

The answer will be ---- (C) 1

Hope it will help you .