Matematika

Pertanyaan

tolong bantuannya~
sekaligus cara kerjanya
tolong bantuannya~ sekaligus cara kerjanya

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  • Lim (√(5 - x) - 2)(√(2 - x) + 1) / (x - 1
    x=>1

    Lim (√(2 - x) + 1)/(x - 1) . (√(5 - x) - 2) . (√(5 - x) + 2)/(√(5 - x) + 2)
    x=>1

    Lim (√(2 - x) + 1) ((5 - x) - 4) / (x - 1)(√(5 - x) + 2)
    x=>1

    Lim (√(2 - x) + 1) (1 - x) / -(1 - x)(√(5 - x) + 2)
    x=>1

    Lim (√(2 - x) + 1) / -(√(5 - x) + 2)
    x=>1

    = (√(2 - 1) + 1) / -(√(5 - 1) + 2)

    = (√1 + 1) / -(√4 + 2)

    = 2/-4

    = -1/2

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