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Diketahui a=4, b=2, dan c= 2 1 ​ . Nilai ( a − 1 ) 2 × c − 3 b 4 ​ = ...

Diketahui a=4, b=2, dan c=. Nilai

  1. 1 half

  2. 1 fourth

  3. 1 over 8

  4. 1 over 16

  5. 1 over 32

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Pembahasan

open parentheses straight a to the power of negative 1 end exponent close parentheses squared cross times straight b to the power of 4 over straight c to the power of negative 3 end exponent equals open parentheses 4 to the power of negative 1 end exponent close parentheses squared cross times 2 to the power of 4 over open parentheses begin display style 1 half end style close parentheses to the power of negative 3 end exponent equals open parentheses 2 to the power of negative 2 end exponent close parentheses squared cross times 2 to the power of 4 over open parentheses 2 to the power of negative 1 end exponent close parentheses to the power of negative 3 end exponent equals 2 to the power of negative 4 end exponent cross times 2 to the power of 4 over 2 to the power of negative 3 end exponent equals 1 over 2 cubed equals 1 over 8

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