Jika 2x=2−3​, maka  2+3​​log 4x=....

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Jika begin mathsize 14px style 2 to the power of x equals 2 minus square root of 3 end style, maka begin mathsize 14px style log presubscript presuperscript 2 plus square root of 3 end presuperscript space 4 to the power of x equals.... end style  

  1. -2

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

  3. 1

  4. begin mathsize 14px style 1 half end style  

  5. 2

M. Robo

Master Teacher

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begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell 2 to the power of x end cell equals cell left parenthesis 2 minus square root of 3 right parenthesis left parenthesis fraction numerator 2 plus square root of 3 over denominator 2 plus square root of 3 end fraction right parenthesis end cell row cell 2 to the power of x end cell equals cell fraction numerator 4 minus 3 over denominator 2 plus square root of 3 end fraction end cell row cell 2 to the power of x end cell equals cell fraction numerator 1 over denominator 2 plus square root of 3 end fraction end cell row cell 2 plus square root of 3 end cell equals cell 1 over 2 to the power of x equals 2 to the power of negative x end exponent end cell end table end style   

Maka

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell log presubscript blank presuperscript 2 plus square root of 3 end presuperscript invisible function application 4 to the power of x end cell equals cell log presubscript blank presuperscript 2 to the power of negative x end exponent end presuperscript invisible function application 4 to the power of x end cell row cell log presubscript blank presuperscript 2 to the power of negative x end exponent end presuperscript invisible function application 2 to the power of 2 x end exponent end cell equals cell fraction numerator 2 x over denominator negative x end fraction log presubscript blank presuperscript 2 invisible function application 2 equals negative 2 end cell end table end style   

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