Pertanyaan

x → 0 lim 1 − cos 2 x 2 x sin 2 x = ....

$x \to 0 lim \frac{2 x sin 2 x}{1 - cos 2 x} = ....$

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Klaim

N. Ayu

Master Teacher

Mahasiswa/Alumni Universitas Negeri Padang

Jawaban terverifikasi

Pembahasan

$maka space colon limit as straight x rightwards arrow 0 of open parentheses fraction numerator 2 straight x space sin space 2 straight x over denominator 1 minus cos space 2 straight x end fraction close parentheses equals limit as straight x rightwards arrow 0 of open parentheses fraction numerator 2 straight x space sin space 2 straight x over denominator 2 space sin space straight x space sin space straight x end fraction close parentheses equals fraction numerator 2 cross times 2 over denominator 2 cross times 1 cross times 1 end fraction equals 2$