Matematika

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Tolong bantu jawab! tentukan pusat, puncak, fokus, dan asimtot hiperbola (×-3)^2 ÷ 25 + (y+1)^2 = 1

1 Jawaban

  • jawab

    (x - 3)² /25  + (y +1)² = 1 --> (x - p)/a² + (y- q)²/b² = 1
    p = 3
    q = -1
    a² = 25 --> a= 5
    b² = 1
    c² = a² + b² = 26
    c = √26

    Pusat (p,q) = (3,-1
    Puncak A12 = (p +_a, q)
    A1  = {(2 +5), -1 }
    A1 = (7,-1)

    A2 = {(2 -5), -1}
    A2 = (-3, - 1)

    Fokus F12 = (p+_ c, q)
    F1=  {(3 + √26),  - 1}
    F2 = {(3 - √26), - 1}

    Asimptot y - q = +_b/a (x -p)
    y +1 = +_ 1/5 (x - 3)

    y+ 1 = 1/5 (x -3)
    5(y +1)= x - 3
    5y + 5 = x - 3
    5y = x - 8
    x - 5y = 8

    y+1 = - 1/5 ( x - 3)
    5(y +1) = -x + 3
    5y + 5 = -x + 3
    5y = - x - 2
    x + 5y = - 2

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