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Pertanyaan

Nilai dari x → ∞ lim ​ 49 x 2 − 14 x − 8 ​ − 7 x − 2 = ....

Nilai dari

  1. 3

  2. 1

  3. -1

  4. -1

  5. -2

  6. -3

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Y. Endah

Master Teacher

Mahasiswa/Alumni Institut Teknologi Bandung

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Pembahasan

limit as x rightwards arrow infinity of invisible function application square root of 49 x squared minus 14 x minus 8 end root minus 7 x minus 2  limit as x rightwards arrow infinity of invisible function application square root of 49 x squared minus 14 x minus 8 end root minus open parentheses 7 x plus 2 close parentheses  limit as x rightwards arrow infinity of invisible function application square root of 49 x squared minus 14 x minus 8 end root minus square root of open parentheses 7 x plus 2 close parentheses squared end root  limit as x rightwards arrow infinity of invisible function application square root of 49 x squared minus 14 x minus 8 end root minus square root of 49 x squared plus 28 x plus 4 end root to the power of space  I n g a t space b a h w a space limit as x rightwards arrow infinity of invisible function application square root of a x squared plus b x plus c end root minus square root of p x squared plus q x plus r end root space j i k a space a space equals space p space m a k a space n i l a i space l i m i t space s a m a space d e n g a n fraction numerator b minus q over denominator 2 square root of a end fraction  M a k a  limit as x rightwards arrow infinity of invisible function application square root of 49 x squared minus 14 x minus 8 end root minus square root of 49 x squared plus 28 x plus 4 end root  equals fraction numerator negative 14 minus 28 over denominator 2 square root of 49 end fraction  equals negative 42 over 14 equals negative 3

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Nilai dari L i m x → ∞ ​ ( 7 x − 3 ​ − 7 x + 1 ​ ) =

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