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Nilai dari x→∞lim​(4x2−8x+6​−4x2+16x−3​)=....

Pertanyaan

N i l a i space d a r i space limit as x rightwards arrow infinity of open parentheses square root of 4 x squared minus 8 x plus 6 end root minus square root of 4 x squared plus 16 x minus 3 end root close parentheses equals....

  1. - 6

  2. - 4

  3. 4

  4. 6

  5. 10

F. Pratama

Master Teacher

Mahasiswa/Alumni Universitas Putra Indonesia YPTK Padang

Jawaban terverifikasi

Pembahasan

I n g a t space r u m u s space  limit as x rightwards arrow infinity of left parenthesis square root of a x squared plus b x plus c end root minus square root of a x squared plus q x plus r end root equals fraction numerator b minus q over denominator 2 square root of a end fraction  limit as x rightwards arrow infinity of left parenthesis square root of 4 x squared minus 8 x plus 6 end root minus square root of 4 x squared plus 16 x minus 3 end root equals fraction numerator negative 8 minus 16 over denominator 2 square root of 4 end fraction equals 24 over 4 equals negative 6

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