Q142
If a + b c = b + c a = c + a b = k, then k is equal to -
If then k is equal to -
A.
0
B.
1
C.
2
AnswerD.
a + b + c
Answer: Option C
Solution
Answer: Option C
Solution:
a + b = ck,b + c = ak,
c + a = bk
Adding, we get : 2(a + b + c) = ak + bk + ck
⇒ k(a + b + c) or k = 2