2 x 2 1 49 July 8, 2019 16 32 64 128 X 2 y 1 2 49 Y 2 36 x 2 49 1 X 2 25 y 2 49 1 X 2 16 y 2 49 1 The equation x 2 y 1 2 49 The equation x 2 y 1 2 49 represents circle a X 3 2 y 1 2 49 2 x 6 2 1 49 2 x mũ 2 1 49 2 nhân x mũ 2 1 49 X 2 9 y 2 49 1
