Q86
If a + b + c = 0, then the value of 1 ( a + b ) ( b + c ) + 1 ( a + c ) ( b + a ) + 1 ( c + a ) ( c + b ) = ?
If a + b + c = 0, then the value of
A.
1
B.
0
AnswerC.
-1
D.
-2
Answer: Option B
Solution
Answer: Option B
Solution:
a + b + c = 0