Matematika

Pertanyaan

no 52 ya...............
no 52 ya...............

0 Comment.

1 Jawaban

  • NiLai MutLak
    >> Pertidaksamaan

    |(x + 3)/(x - 1)| < 1

    •
    (x + 3)/(x - 1) < 1
    (x + 3)/(x - 1) - (x - 1)/(x - 1) < 0
    4/(x - 1) < 0
    x < 1 ... (1)

    (x + 3)/(x - 1) > -1
    (x + 3)/(x - 1) + (x - 1)/(x - 1) > -1
    (2x + 2)/(x - 1) > 0
    x < -1 atau x > 1 ... (2)

    Nilai x yg memenuhi :
    Irisan (1) dan (2)
    x < -1 ✔

Pertanyaan Lainnya