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Pertanyaan

Nilai x → 27 lim ​ x 3 1 ​ − 3 x − 27 ​ adalah ...

Nilai  adalah ... 

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I. Roy

Master Teacher

Mahasiswa/Alumni Universitas Negeri Surabaya

Jawaban terverifikasi

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Pembahasan

begin mathsize 14px style limit as x rightwards arrow 27 of fraction numerator x minus 27 over denominator x to the power of begin display style 1 third end style end exponent minus 3 end fraction equals limit as x rightwards arrow 27 of fraction numerator open parentheses x to the power of begin display style 1 third end style end exponent minus 3 close parentheses open parentheses x to the power of begin display style 2 over 3 end style end exponent plus 3 x to the power of begin display style 1 third end style end exponent plus 9 close parentheses over denominator x to the power of begin display style 1 third end style end exponent minus 3 end fraction space space space space space space space space space space space space space space space space space space space space space space equals 27 to the power of 2 over 3 end exponent plus 3 times 27 to the power of 1 third end exponent plus 9 space space space space space space space space space space space space space space space space space space space space space space equals 9 plus 9 plus 9 space space space space space space space space space space space space space space space space space space space space space space equals 27 end style 

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