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Nilai x yang memenuhi persamaan adalah ....

Nilai x yang memenuhi persamaan begin mathsize 14px style 2 to the power of x times open parentheses 2 to the power of x plus 1 end exponent close parentheses to the power of x times open parentheses 2 to the power of x close parentheses to the power of 1 minus x end exponent equals 64 end style adalah ....

  1. -2

  2. 1

  3. 2

  4. -1

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N. Ayu

Master Teacher

Mahasiswa/Alumni Universitas Negeri Padang

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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 times open parentheses 2 to the power of x plus 1 end exponent close parentheses to the power of x times open parentheses 2 to the power of x close parentheses to the power of 1 minus x end exponent end cell equals 64 row cell 2 to the power of x times 2 to the power of open parentheses x plus 1 close parentheses x end exponent times 2 to the power of x open parentheses 1 minus x close parentheses end exponent end cell equals cell 2 to the power of 6 end cell row cell 2 to the power of x times 2 to the power of x squared plus x end exponent times 2 to the power of x minus x squared end exponent end cell equals cell 2 to the power of 6 end cell row cell 2 to the power of x plus open parentheses x squared plus x close parentheses plus open parentheses x minus x squared close parentheses end exponent end cell equals cell 2 to the power of 6 end cell row cell 2 to the power of 3 x end exponent end cell equals cell 2 to the power of 6 end cell row cell 3 x end cell equals 6 row x equals cell box enclose 2 end cell end table end style     

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