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Pertanyaan

Jika a > 0 d an a  = 1 memenuhi , maka 2 lo g b = ...

Jika  memenuhi a to the power of cube root of 4 end exponent equals open parentheses 1 over a close parentheses to the power of negative b end exponent, maka 

  1. 1 1 third

  2. 1 third

  3. 2 over 3

  4. 1 1 half

  5. 1 half

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N. Rahayu

Master Teacher

Mahasiswa/Alumni Universitas Negeri Jakarta

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Pembahasan

Maka :

a to the power of cube root of 4 end exponent equals open parentheses 1 over a close parentheses to the power of negative b end exponent a to the power of cube root of 4 end exponent equals open parentheses a to the power of negative 1 end exponent close parentheses to the power of negative b end exponent a to the power of cube root of 4 end exponent equals a to the power of b space cube root of 4 equals b space space space space space space b equals open parentheses 4 close parentheses to the power of 1 third end exponent equals open parentheses 2 squared close parentheses to the power of 1 third end exponent equals 2 to the power of 2 over 3 end exponent

Maka :

blank squared log invisible function application b equals squared log invisible function application 2 to the power of 2 over 3 end exponent space space space space space space space space space space space space space space equals 2 over 3 squared log invisible function application 2 space space space space space space space space space space space space space space equals 2 over 3 space. space 1 space space space space space space space space space space space space space space equals 2 over 3

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Jika 4 lo g 3 = k , maka 2 lo g 27 adalah...

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