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Nilai dari x → ∞ lim 16 x 2 + 2 x − 16 x 2 + 4 x = ...

Nilai dari $x \to \infty lim 16 x^{2} + 2 x - 16 x^{2} + 4 x = ...$

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S. Indah

Master Teacher

Mahasiswa/Alumni Universitas Lampung

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Pembahasan

Limit bentuk selisih akar kuadrat dimana a = 16 b = 2 q = -4 sehingga

Limit bentuk selisih akar kuadrat dimana
a = 16
b = 2
q = -4
sehingga
$limit as straight x rightwards arrow infinity of space square root of 16 straight x squared plus 2 straight x end root minus square root of 16 straight x squared plus 4 straight x end root equals fraction numerator straight b minus straight q over denominator 2 square root of straight a end fraction equals fraction numerator 2 minus open parentheses negative 4 close parentheses over denominator 2 square root of 16 end fraction equals fraction numerator 6 over denominator 2 times 4 end fraction equals 6 over 8 equals 3 over 4$