Pertanyaan

D ik e t ah u i a = 2 1 , b = 2 , d an c = 1. N i l ai d a r i a b 2 c − 1 a − 2 b c 3 a d a l ah ...

$D ik e t ah u i a = \frac{1}{2}, b = 2, d an c = 1. N i l ai d a r i \frac{a ^{- 2} b c ^{3}}{a b ^{2} c ^{- 1}} a d a l ah ...$

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$fraction numerator a to the power of negative 2 end exponent b c cubed over denominator a b squared c to the power of negative 1 end exponent end fraction equals fraction numerator c cubed c to the power of 1 over denominator a to the power of 1 a squared b squared b to the power of negative 1 end exponent end fraction space space space space space space space space space space space space space space space space equals fraction numerator c to the power of 3 plus 1 end exponent over denominator a to the power of 1 plus 2 end exponent b to the power of 2 minus 1 end exponent end fraction space space space space space space space space space space space space space space space space equals fraction numerator c to the power of 4 over denominator a cubed b end fraction space space space space space space space space space space space space space space space space equals fraction numerator begin display style open parentheses 1 close parentheses to the power of 4 end style over denominator begin display style open parentheses 1 half close parentheses cubed open parentheses 2 close parentheses end style end fraction space space space space space space space space space space space space space space space space equals fraction numerator 1 over denominator open parentheses begin display style 1 over 8 end style close parentheses begin display style open parentheses 2 close parentheses end style end fraction space space space space space space space space space space space space space space space space equals fraction numerator 1 over denominator open parentheses begin display style 1 fourth end style close parentheses end fraction space space space space space space space space space space space space space space space space equals 4$