Lim x→∞ (√4x²+4x-3 - (2x-5))

Kelas 11 Matematika
Bab Limit

lim (√(4x² + 4x - 3) - (2x - 5))
x→∞

= lim (√(4x² + 4x - 3) - √(4x² - 20x + 25))
   x→∞

a = 4; b = 4; c = -3; p = 4; q = -20; r = 25

Karena a = p = 4, maka

(b - q)/(2√a)
= (4 + 20)/(2√4)
= 24 / (2 . 2)
= 6