A) 3
B) 0
C) 2
D) 1
Correct Answer: B
Solution :
\[{{x}^{2}}+{{y}^{2}}+{{z}^{2}}-2xy+2yz-2zx\] \[(\therefore x=5,y=3,z=2)\] \[={{(x-y-z)}^{2}}={{(5-3-2)}^{2}}=0\]You need to login to perform this action.
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