Question: 23
(Choose 1 answer)
(See picture)
A. All of the other choices are incorrect
B. All numbers but -4
C. -3
D. All numbers but -3
E. -4
Find all values of a such that the following system has nontrivial solutions
{
X X + 2y + 2 + 3y + 6z 2x + 3y + az = 0 = 0 = 0
