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Bab LimitMatematika SMA Kelas XI
lim √(4x² - 2x + 1) - 2x + 3
x→∞
= lim √(4x² - 2x + 1) - √(2x - 3)²
x→∞
= lim √(4x - 2x + 1) - √(4x² - 12x + 9)
x→∞
a = 4, b = -2, c = 1, p = 4, q = -12, r = 9
karena a = p = 4, maka
(b - q) / (2√a)
= (-2 - (-12)) / (2√4)
= (-2 + 12) / (2 . 2)
= 10/4
= 5/2