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Verified answer
Jawabluas daerah
y = 2 - x^2
y = x
x = 2 -x^2
x^2 +x - 2 = 0
a =1
b = 1
c =-2
D= b^2 - 4ac
D = 1^2- 4(1)(-2)
D = 9
Luas D√D/ (6.a²)
L = 27/6 = 4 ¹/₂ satuan