nilai[tex] \lim_{x \to \3} 3 = 9 - x^{2} [/tex]÷ 4-[tex] \sqrt{ x^{2}+7 }[/tex]
Matematika
silvesteryesa
Pertanyaan
nilai[tex] \lim_{x \to \3} 3 = 9 - x^{2} [/tex]÷ 4-[tex] \sqrt{ x^{2}+7 }[/tex]
1 Jawaban
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1. Jawaban Anonyme
Bab Limit
Matematika SMA Kelas XI
lim ((9 - x²) / (4 - √(x² + 7))
x→3
= lim ((9 - x²) (4 + √(x² + 7)) / (4² - √(x² + 7)²)
x→3
= lim ((9 - x²) (4 + √(x² + 7)) / (16 - x² - 7))
x→3
= lim ((9 - x²) (4 + √(x² + 7)) / (9 - x²))
x→3
**coret (9 - x²)**
= 4 + √(3² + 7)
= 4 + √(9 + 7)
= 4 + √16
= 4 + 4
= 8