12​−3273​​ = ....

Pertanyaan

begin mathsize 14px style fraction numerator 27 square root of 3 over denominator square root of 12 minus 3 end fraction end style = ....

  1. begin mathsize 14px style 18 plus 9 square root of 3 end style    

  2. begin mathsize 14px style 45 square root of 3 end style    

  3. begin mathsize 14px style 18 square root of 3 plus 27 square root of 3 end style    

  4. begin mathsize 14px style 54 plus 27 square root of 3 end style    

N. Rahayu

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

Jawaban terverifikasi

Jawaban

jawaban yang tepat adalah D.

Pembahasan

begin mathsize 14px style fraction numerator 27 square root of 3 over denominator square root of 12 minus 3 end fraction equals fraction numerator 27 square root of 3 over denominator square root of 12 minus 3 end fraction cross times fraction numerator square root of 12 plus 3 over denominator square root of 12 plus 3 end fraction space space space space space space space space space space space space space space space equals fraction numerator 27 square root of 3 open parentheses square root of 12 plus 3 close parentheses over denominator 12 minus 9 end fraction space space space space space space space space space space space space space space space equals fraction numerator 27 square root of 3 open parentheses square root of 12 plus 3 close parentheses over denominator 3 end fraction space space space space space space space space space space space space space space space equals 9 square root of 3 open parentheses square root of 12 plus 3 close parentheses space space space space space space space space space space space space space space space equals 9 square root of 36 plus 27 square root of 3 space space space space space space space space space space space space space space space equals 54 plus 27 square root of 3 end style    

Jadi, jawaban yang tepat adalah D.

38

5.0 (1 rating)

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Jawaban terverifikasi

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