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—> x = 3
—> y = -1
Rumus Cermin x = h
(2h - x , y)
Rumus Cermin y = h
(x , 2h - y)
=> A’ (2x3 - 4 , 2x(-1) - (-1))
=> A’ (6 - 4 , -2 + 1)
=> A’ (2 , -1)
Jadi Jawabannya Adalah A’(2 , -1)