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Verified answer
Jawabx²= y atau y = x²
x = y - 2 atau y = x + 2
x² - x - 2 = 0
a= 1
b = -1
c = -2
D = b² - 4ac
D = (-1)² - 4(1)(-2)
D = 9
Luas = D√D / (6 a²)
L = ( 9√9 ) / (6)
L = 27/6
L = 4 1/2