Pertanyaan

x → 1 lim 1 + x 1 − x = ...

$x \to 1 lim \frac{1 - x}{1 + x} = ...$

I. Roy

Master Teacher

Mahasiswa/Alumni Universitas Negeri Surabaya

Jawaban terverifikasi

Pembahasan

Dengan aturan L'Hopital

$begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell limit as x rightwards arrow c of fraction numerator f open parentheses x close parentheses over denominator g open parentheses x close parentheses end fraction end cell equals cell limit as x rightwards arrow c of fraction numerator f apostrophe open parentheses x close parentheses over denominator g apostrophe open parentheses x close parentheses end fraction end cell row cell space space space space space space space space space space space space space space end cell equals cell limit as x rightwards arrow 1 of fraction numerator negative 1 over denominator 1 end fraction end cell row cell space space space space space space space space space space space space space space end cell equals cell negative 1 end cell end table end style$