If D =|{:(1,1,1),(1,1+x,1),(1,1,1+y):}|"...

If D =`|{:(1,1,1),(1,1+x,1),(1,1,1+y):}|"for" " "xne0,yne0` then D is

A

x but not y

B

y but not x

C

neither x nor y

D

both x and y

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The correct Answer is:

D

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