Matematika

Pertanyaan

[tex] \lim_{x \to2} (\frac{2-x}{4- \sqrt{x+14} } )[/tex]

1 Jawaban

  • Bab Limit
    Matematika SMA Kelas XI

    Lim ((2 - x)/(4 - √(x + 14))
    x→2

    = lim ((2 - x) (4 + √(x + 14))/(4² - (x + 14))
    ...x→2

    = lim ((2 - x) (4 + √(x + 14))/(2 - x))
    ...x→2

    = 4 + √(2 + 14)
    = 4 + √16
    = 4 + 4
    = 8

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