Question

(a+b+c)^3 try to answer

Answer 1

a3+b3+c3=(a+b+c)3−[3a2(b+c)+3b2(c+a)+3c2(a+b)+6abc]a3+b3+c3=(a+b+c)3−[3a2(b+c)+3b2(c+a)+3c2(a+b)+6abc]