A) 4
B) \[x+y+z\]
C) xyz
D) 0
Correct Answer: D
Solution :
Apply \[{{C}_{1}}\to {{C}_{1}}+{{C}_{3}}\] and take \[x+y+z\] common from \[{{C}_{1}}\] and 4 from \[{{C}_{2}}\] to make first two columns identical.
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