If x, y, and z are 3 different prime numbers, which of the following CANNOT be a multiple of any of x, y, and z?
A. x + y
B. y – z
C. xy + 1
D. xyz + 1
E. x^2 + y^2![]()
A. x + y
B. y – z
C. xy + 1
D. xyz + 1
E. x^2 + y^2