Let (z, *) is a group with x*y=x+y-2 then inverse of x is ___________

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answerhappygod
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Let (z, *) is a group with x*y=x+y-2 then inverse of x is ___________

Post by answerhappygod »

a) -(x+4)
b) (x2+6)
c) (x+y)/5
d) (3y+4x2)
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