Pertanyaan

N i l ai d a r i x → − 2 lim 2 x 2 − 4 x − 16 4 x + 8 = ....

$N i l ai d a r i x \to - 2 lim \frac{4 x + 8}{2 x ^{2} - 4 x - 16} = ....$

-12
-3
-2

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Klaim

Y. Endah

Master Teacher

Mahasiswa/Alumni Institut Teknologi Bandung

Jawaban terverifikasi

Pembahasan

$limit as x rightwards arrow negative 2 of space fraction numerator 4 x plus 8 over denominator 2 x squared minus 4 x minus 16 end fraction equals limit as x rightwards arrow negative 2 of space fraction numerator 4 left parenthesis x plus 2 right parenthesis over denominator 2 left parenthesis x minus 4 right parenthesis left parenthesis x plus 2 right parenthesis end fraction space equals space limit as x rightwards arrow negative 2 of space fraction numerator 4 over denominator 2 left parenthesis x minus 4 right parenthesis end fraction space equals space fraction numerator 4 over denominator 2 left parenthesis negative 2 minus 4 right parenthesis end fraction space equals space fraction numerator 4 over denominator negative 12 end fraction space equals space minus 1 third$