Lim x→§ √4x²-6x+3 - (2x-4)

Lim x->~ √4x^2 - 6x + 3 - √(2x-4)^2
Lim x->~ √4x^2 - 6x + 3 - √4x^2 - 16x + 16
= -6 - (-16) / 2√4
= 10/2.2 = 5/2

Note:
Lim x->~ √ax^2 + bx +c - √ax^2 + qx + r

Maka
Maka hasilnya = b-q / 2√a

Semoga membantu