Pertanyaan

Tentukan nilai a jika diketahui x → − 1 lim x + 4 a − 5 = − 2

Tentukan nilai a jika diketahui $x \to - 1 lim \frac{a - 5}{x + 4} = - 2$

Ikuti Tryout SNBT & Menangkan E-Wallet 100rb

Habis dalam

Klaim

J. Joko

Master Teacher

Jawaban terverifikasi

Jawaban

nilai .

nilai

Pembahasan

Subtitusi nilai x: Jadi, nilai .

Subtitusi nilai x:

$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell limit as x rightwards arrow negative 1 of fraction numerator straight a minus 5 over denominator x plus 4 end fraction end cell equals cell negative 2 end cell row cell fraction numerator straight a minus 5 over denominator negative 1 plus 4 end fraction end cell equals cell negative 2 end cell row cell fraction numerator straight a minus 5 over denominator 3 end fraction end cell equals cell negative 2 end cell row cell straight a minus 5 end cell equals cell negative 6 end cell row a equals cell negative 6 plus 5 end cell row a equals cell negative 1 end cell end table end style$

Jadi, nilai .