Question

a[(b+c)x(a+b+c)] = ?
(a) 0
(c) [abc]
(b) (abc] + [bca]
(d) None

Answer 1

Answer:

(d)none

Step-by-step explanation:

When these terms are multiplied

it gives

=a[b(a+b+c)+c(a+b+c)]

=a(ab+b2+bc+ca+bc+c2)

=a2b+ab2+2abc+ca2+ac2

that's the reason...

hope you like it...