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U(2,3) →sb.y→ U'(-x,y) = U'(-2,3)
V(1,2) → sb.y → V'(-x,y) = V'(-1,2)
dilanjutkan :
_
T'(-4,0)→ sb.x → T"(x,-y) = T"(-4,0)
U'(-2,3)→ sb.x → U"(x,-y) = U"(-2,-3)
V'(-1,2)→ sb.x → V"(x,-y) = V"(-1,-2)