Roboguru

begin mathsize 14px style Bentuk space sederhana space dari space fraction numerator straight x to the power of 18 straight y to the power of 12 begin display style 1 over straight z end style over denominator straight x to the power of negative 3 end exponent straight y to the power of negative 4 end exponent straight z to the power of negative 1 end exponent end fraction space adalah space.... end style

  1. X to the power of 21 Y to the power of 16

  2. X to the power of 19 Y to the power of 16

  3. X to the power of 19 Y to the power of 14

  4. X to the power of 18 Y to the power of 16

  5. X to the power of 18 Y to the power of 14

Jawaban:

begin mathsize 14px style Gunakan space sifat minus sifat space perpangkatan space yaitu space colon  straight a to the power of straight p over straight a to the power of straight q equals straight a to the power of straight p minus straight q end exponent  straight a to the power of negative straight p end exponent equals 1 over straight a to the power of straight p    Maka space colon thin space  equals fraction numerator straight x to the power of 18 straight y to the power of 12 straight z to the power of negative 1 end exponent over denominator straight x to the power of negative 3 end exponent straight y to the power of negative 4 end exponent straight z to the power of negative 1 end exponent end fraction  equals straight x to the power of 18 minus left parenthesis negative 3 right parenthesis end exponent straight y to the power of 12 minus left parenthesis negative 4 right parenthesis end exponent straight z to the power of negative 1 minus left parenthesis negative 1 right parenthesis end exponent  equals straight x to the power of 21 straight y to the power of 16 straight z to the power of 0  equals straight x to the power of 21 straight y to the power of 16 end style

0

Ruangguru

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Ruangguru

Produk Ruangguru

Produk Lainnya

Hubungi Kami

Ikuti Kami

©2021 Ruangguru. All Rights Reserved