Matematika

Pertanyaan

turunan pertama fungsi berikut
turunan pertama fungsi berikut

2 Jawaban

  • Y aksen (turunan) = (4x+3)^3 (x+5)^5
    = 3(4x+3)^2 5(x+5)^4

    dikoreksi lagi seandainya keliru
  • y = (4x + 3)^3 (x + 5)^5 = u . v
    u = (4x + 3)^3 => u' = 3(4x + 3)^2 . 4 = 12 (4x + 3)^2
    v = (x + 5)^5 => v' = 5(x + 5)^4 . 1 = 5(x + 5)^4

    y' = u'v + v'u
    = 12 (4x + 3)^2 (x + 5)^5 + 5(x + 5)^4 (4x + 3)^3

    Bisa disederhanakan menjadi

    = (4x + 3)^2 (x + 5)^4 (12(x + 5) + 5(4x + 3))
    = (4x + 3)^2 (x + 5)^4 (12x + 60 + 20x + 15)
    = (32x + 75) (4x + 3)^2 (x + 5)^4

    ^ = pangkat