Luas daerah yang dibatasi kurva y=x² dan y=2x adalah
y = x²
y = 2x
y = y
2x = x²
-x² + 2x - 0 = 0
a = -1
b = 2
c = 0
D = b² - 4ac
D = 2² - 4(-1)(0)
D = 4
L = D√D/6(a)²
L = 4√4/6(-1)²
L = 4(2)/6(1)
L = 8/6
L = 4/3
L = 1 ⅓ satuan luas
y = x²
y = 2x
y = y
2x = x²
-x² + 2x - 0 = 0
a = -1
b = 2
c = 0
D = b² - 4ac
D = 2² - 4(-1)(0)
D = 4
L = D√D/6(a)²
L = 4√4/6(-1)²
L = 4(2)/6(1)
L = 8/6
L = 4/3
L = 1 ⅓ satuan luas