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Pertanyaan

Jika diketahui 2 y ​ x 20 ​ ​ = 3 10 ​ dan 3 x 2 ​ = x 72 ​ , maka hasil dari y x ​ adalah ....

Jika diketahui  dan , maka hasil dari  adalah ....

  1. 2

  2. 3

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

  4. undefined    

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N. Ayu

Master Teacher

Mahasiswa/Alumni Universitas Negeri Padang

Jawaban terverifikasi

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Pembahasan

Substitusikan x = 6 Maka

size 14px x to the power of size 14px 2 over size 14px 3 size 14px equals size 14px 72 over size 14px x size 14px x to the power of size 14px 2 size 14px times size 14px x size 14px equals size 14px 3 size 14px times size 14px 72 size 14px x to the power of size 14px 3 size 14px equals size 14px 216 size 14px x to the power of size 14px 3 size 14px equals size 14px 6 to the power of size 14px 3 size 14px x size 14px equals size 14px 6   

Substitusikan = 6

begin mathsize 14px style fraction numerator x square root of 20 over denominator 2 square root of y end fraction equals 3 square root of 10 fraction numerator 6 square root of 20 over denominator 2 square root of y end fraction equals 3 square root of 10 fraction numerator 6 square root of 20 over denominator 3 square root of 10 end fraction equals 2 square root of y 2 square root of 2 equals 2 square root of y y equals 2 end style

Maka

begin mathsize 14px style x over y equals 6 over 2 equals 3 end style    

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2 10 ​ 24 180 ​ + 32 60 ​ ​ ÷ 2 3 ​ = ....

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Jawaban terverifikasi

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