Matematika

Pertanyaan

hitunglah nilai dari limit x mendekati 2 untuk (12 per x^2-4 - 3 per x-2)

1 Jawaban

  • Lim 12/(x^2 - 4) - 3/(x - 2)
    = Lim 12/(x + 2)(x - 2) - 3/(x - 2)
    = Lim (12 - 3(x + 2))/(x + 2)(x - 2)
    = Lim (12 - 3x - 6)/(x + 2)(x - 2)
    = Lim (-3x + 6)/(x + 2)(x - 2)
    = Lim -3(x - 2)/(x + 2)(x - 2)
    = Lim -3/(x + 2)
    = -3/(2 + 2)
    = -3/4

Pertanyaan Lainnya