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S. Intan

Master Teacher

Mahasiswa/Alumni Institut Pertanian Bogor

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Pembahasan

$begin mathsize 14px style limit as straight x rightwards arrow straight infinity of invisible function application open parentheses square root of 9 straight x squared minus 6 straight x minus 1 end root minus open parentheses 3 straight x plus 1 close parentheses close parentheses equals limit as straight x rightwards arrow straight infinity of invisible function application square root of 9 straight x squared minus 6 straight x minus 1 end root minus square root of open parentheses 3 straight x plus 1 close parentheses squared end root equals limit as straight x rightwards arrow straight infinity of invisible function application square root of 9 straight x squared minus 6 straight x minus 1 end root minus square root of 9 straight x squared plus 6 straight x plus 1 end root Didapat space bahwa space straight a equals 9 comma space straight b equals negative 6 comma space straight c equals negative 1 space lalu space straight p equals 9 comma space straight q equals 6 space dan space straight r equals 1 straight L equals fraction numerator straight b minus straight q over denominator 2 square root of straight a end fraction straight L equals fraction numerator negative 6 minus 6 over denominator 2 square root of 9 end fraction equals negative 12 over 6 equals negative 2 end style$