Sederhanakan dalam bentuk pangkat positif. d.

Pertanyaan

Sederhanakan dalam bentuk pangkat positif.

d. $begin mathsize 14px style 1 space colon space straight a cubed bc to the power of negative 4 end exponent end style$

Pembahasan Soal:

Ingat kembali:

$begin mathsize 14px style straight a to the power of straight m space colon space straight a to the power of straight n equals straight a to the power of straight m minus straight n end exponent straight a to the power of negative straight n end exponent equals 1 over straight a to the power of straight n end style$

Maka:

$begin mathsize 14px style 1 space colon space straight a cubed bc to the power of negative 4 end exponent equals fraction numerator 1 over denominator straight a cubed bc to the power of negative 4 end exponent end fraction equals fraction numerator 1 over denominator straight a cubed straight b begin display style 1 over straight c to the power of 4 end style end fraction equals fraction numerator straight c to the power of 4 over denominator straight a cubed straight b end fraction end style$

Jadi, bentuk sederhana dari $begin mathsize 14px style 1 space colon space straight a cubed bc to the power of negative 4 end exponent end style$ adalah $begin mathsize 14px style fraction numerator straight c to the power of 4 over denominator straight a cubed straight b end fraction end style$ .

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 04 April 2021

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