Limx->∞ √x²+6x-1-√x²-2x

=> (6 - (-2))/2akar1
=> 8/2
=> 4

Bab Limit
Matematika SMA Kelas XI

Lim (√(x² + 6x - 1) - √(x² - 2x))
x→∞
a = 1; b = 6; c = -1; p = 1; q = -2; r = 0.
karena a = p = 1, maka

(b - q) / (2√a)
= (6 - (-2)) / (2 √1)
= 8 / 2
= 4