Pertanyaan

x → 2 lim x 2 − 1 x 2 + 8 x + 7

$x \to 2 lim \frac{x ^{2} + 8 x + 7}{x ^{2} - 1}$

L. Marlina

Master Teacher

Mahasiswa/Alumni Institut Teknologi Bandung

Jawaban terverifikasi

Pembahasan

$begin mathsize 14px style limit as x rightwards arrow 2 of fraction numerator x squared plus 8 x plus 7 over denominator x squared minus 1 end fraction equals fraction numerator 2 squared plus 8.2 plus 7 over denominator 2 squared minus 1 end fraction space space space space space space space space space space space space space space space space space space space space space space space space space space space equals fraction numerator 4 plus 16 plus 7 over denominator 4 minus 1 end fraction space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 27 over 3 space space space space space space space space space space space space space space space space space space space space space space space space space space space equals 9 space space space space end style$