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Bentuk sederhana dari a2−5​⋅b⋅c41​a2−1​⋅b2⋅c45​​ adalah...

Pertanyaan

Bentuk sederhana dari fraction numerator a to the power of begin display style bevelled fraction numerator negative 1 over denominator 2 end fraction end style end exponent times b squared times c to the power of begin display style bevelled 5 over 4 end style end exponent over denominator a to the power of begin display style bevelled fraction numerator negative 5 over denominator 2 end fraction end style end exponent times b times c to the power of begin display style bevelled 1 fourth end style end exponent end fraction adalah...space 

  1. a b c 

  2. a squared b c 

  3. a b squared c 

  4. a squared b squared c 

  5. a squared b squared c squared 

N. Puspita

Master Teacher

Jawaban terverifikasi

Jawaban

jawaban yang benar adalah B. space 

Pembahasan

Perhatikan penghitungan berikut!

   Ingat space sifat colon 1 over a to the power of negative 1 end exponent equals a to the power of negative open parentheses negative 1 close parentheses end exponent equals a sehingga comma fraction numerator a to the power of begin display style bevelled fraction numerator negative 1 over denominator 2 end fraction end style end exponent times b squared times c to the power of begin display style bevelled 5 over 4 end style end exponent over denominator a to the power of begin display style bevelled fraction numerator negative 5 over denominator 2 end fraction end style end exponent times b times c to the power of begin display style bevelled 1 fourth end style end exponent end fraction equals a to the power of negative 1 half minus fraction numerator open parentheses negative 5 close parentheses over denominator 2 end fraction end exponent. b to the power of 2 minus 1 end exponent times c to the power of 5 over 4 minus 1 fourth end exponent equals a squared times b times c equals a squared b c        

Oleh karena itu, jawaban yang benar adalah B. space 

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