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Question 1
Target (sec):
00:00
If $a + b + c \neq 0$, the system of equations: $(b+c)(y+z) - ax = b - c$ $(c+a)(z+x) - by = c - a$ $(a+b)(x+y) - cz = a - b$ has:
A.
a unique solution
B.
No solution
C.
Infinite number of solutions
D.
Finitely many solutions
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