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Verified answer
Boom...x² + y² + 4x + 8y - 5 = 0
(x + 2)² + (y + 4)² = 25
P(-2 , -4)
Bayangan P(-2 , -4) oleh translasi T[2 4] :
P' = ((-2 + 2) , (-4 + 4))
P' = (0,0)
Bayangan lingkaran :
(x - 0)² + (y - 0)² = r²
x² + y² = 25