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pxᵃ/ qxᵇ
jika a = b maka nilai limit p/q
a > b nilai limt ∞
a < b nilai limit 0
jawab
1. (2x√x + 1) / (x² -1) = (2x³/² +1)/(x² -1) nilai limitnya 0 (pangkat tertinggi pembilang 3/2 lebih kecil dari pangkat tertinggi penyebut 2, a<b)
2. (x²+3x+2)/ (2x²+4x+1) nilai limitnya 1/2.............a=b
3.(2x+1)(3x+1)/(x+1)(4x-1) = (6x²+5x+1)/ (4x²+3x-1) nilai limit 6/4= 1¹/₂