If the system of equations x+a y=0, a z+...

If the system of equations `x+a y=0, a z+y=0` and `a x+z=0` has infinite solutions, then the value of `a` is

A

{2,-3}

B

R-{2,-3}

C

R-{2}

D

R-{-3}

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The correct Answer is:

B

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