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Jika 2 x = 2 − 3 ​ , maka 2 + 3 ​ lo g 4 x = ….

Jika    ,  maka  ….

  1. -2

  2. begin mathsize 14px style negative sign 1 half end style   

  3. 1

  4. begin mathsize 14px style 1 half end style   

  5. 2

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I. Roy

Master Teacher

Mahasiswa/Alumni Universitas Negeri Surabaya

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Pembahasan

Kalikan akar sekawan Maka

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2 to the power of x equals left parenthesis 2 minus square root of 3 right parenthesis open parentheses fraction numerator 2 plus square root of 3 over denominator left parenthesis 2 plus square root of 3 end fraction close parentheses 2 to the power of x equals fraction numerator 4 minus 3 over denominator 2 plus square root of 3 end fraction 2 to the power of x equals fraction numerator 1 over denominator 2 plus square root of 3 end fraction 2 plus square root of 3 equals 1 over 2 to the power of x equals 2 to the power of negative x end exponent  

Maka

space to the power of 2 plus square root of 3 end exponent log space 4 to the power of x equals space to the power of 2 minus x end exponent log space 4 to the power of x  to the power of 2 minus x end exponent log space 2 to the power of 2 x end exponent equals space fraction numerator 2 x over denominator negative x end fraction space squared log space 2 space equals space minus 2  

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Nilai dari ( 2 ​ + 3 ​ + 2 + 5 ​ ) ( − 2 ​ + 3 ​ + 2 − 5 ​ ) ( 10 ​ + 2 3 ​ ) = ....

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