Matematika

Pertanyaan

nilai lim xmenuju2 (6-x per x^2-4 - 1 per x-2)

1 Jawaban

  • lim [ 6-x / (x-2)(x+2) ] -  1/x-2)
    = lim [ 6-x-x-2 / (x-2)(x+2) ]  
    = lim [ 4-2x / (x-2)(x+2) ]
    = lim [ 2 (2-x) / (x-2)(x+2) ]
    = lim [ -2 / (x+2) ]
    = -2/4
    = -1/2

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