SOAL LATIHAN/TUGAS KALKULUS - PERTEMUAN 14
Nama : Tubagus Ardian Maulana
Kelas : 01TPLP015
NIM : 201011400661
1. lim 1 / x3 + 9 = 0
x→∞
2. lim (2x33 + 1x - 7
x→∞
= lim (2x33 + x - 7
x→∞
= ∞
4. lim x2 - 2x - 3/ 2x2 + 4 + 7 = x2 (1 - 2/x - 3/x2) / x2 (2 + 4/x + 7/x2)
x→∞ = 1 - 2/x - 3/x2 / 2 + 4/x + 7/x2
= 1 - 2 x 0 - 3 x 0 / 2 + 4 x 0 + 7 x 0
= 1 / 2
5. lim x2 - 2x - 3 / x⁴ + 4x + 7 = x⁴ (1/x2 - 2/xᶟ - 3/x⁴ ) / x⁴ (2 + 4/xᶟ + 7/x⁴)
x→∞ = 1/x2 - 2/xᶟ - 3/x⁴ / 2 + 4/xᶟ + 7/x⁴
= 1 x 0 - 2 x 0 - 3 x 0 / 2 + 4 x 0 + 7 x 0
= 0
7. lim x3+7x -6 / x5 + 2x3 – 7x + 10
x → ∞
lim x3+7x -6 / x5 + 2x3 – 7x + 10 : x5 → membagi pembilang dan penyebut dengan x5
x → ∞
lim ( 3/x2 + 7/x4 – 6/x5) / ( 1 + 2/x2 – 7/x4 + 10/x5) = 0 + 0 – 0 / 1 + 0 – 0 + 0
= 0
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