•
y = y
x² - mx + 7 = mx - 2
x² - 2mx + 9 = 0
Syarat memiliki 1 solusi → D = 0
D = 0
b² - 4ac = 0
(-2m)² - 4.1.9 = 0
4m² = 36
m = ± 3
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Verified answer
•
y = y
x² - mx + 7 = mx - 2
x² - 2mx + 9 = 0
Syarat memiliki 1 solusi → D = 0
D = 0
b² - 4ac = 0
(-2m)² - 4.1.9 = 0
4m² = 36
m = ± 3