If a, b, c are integers, what is value of a+b+c?
(1) a^2+b^2+c^2=27.
(2) ab+ac+bc=11.
The OA is E.
I thought both statements together are sufficient. Why aren't they?
(1) a^2+b^2+c^2=27.
(2) ab+ac+bc=11.
The OA is E.
I thought both statements together are sufficient. Why aren't they?
