lim x → 3 x^2-4x-21 / x^2-2x-15 tolong dong
Matematika
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Pertanyaan
lim x → 3 x^2-4x-21 / x^2-2x-15 tolong dong
1 Jawaban
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1. Jawaban Anonyme
jawab
limit 0/0
limit (x +3)(x - 7) /(x + 3)(x - 5)
x ->-3
limit (x -7)/(x - 5)
x-> - 3
x= 3 ->limit = ( 3-7)/(3 -5) = - 4/-2 = 2