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Verified answer
Parabola_Garisy = y
mx² + 2mx - 6 = 4x - m
mx² + (2m - 4)x + (m - 6) = 0
Syarat tdk memotong dan menyinggung ---> D < 0
D < 0
b² - 4ac < 0
(2m - 4)² - 4m(m - 6) < 0
8m + 16 < 0
8m < -16
m < -2 ✔