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[" If "|[x+y,y+z,z+x],[y+z,z+x,x+y],[z+x...

[" If "|[x+y,y+z,z+x],[y+z,z+x,x+y],[z+x,x+y,y+z]|=k|[x,z,y],[y,x,z],[z,y,x]|" ,then "k],[" is equal to "]

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