Roboguru

Sederhanakan dalam bentuk pangkat positif. c.

Pertanyaan

Sederhanakan dalam bentuk pangkat positif.

c. begin mathsize 14px style straight b to the power of negative 6 end exponent space colon space straight b to the power of negative 3 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 straight b to the power of negative 6 end exponent space colon space straight b to the power of negative 3 end exponent equals straight b to the power of negative 6 minus open parentheses negative 3 close parentheses end exponent equals straight b to the power of negative 3 end exponent equals 1 over straight b cubed end style 

Jadi, bentuk sederhana dari begin mathsize 14px style straight b to the power of negative 6 end exponent space colon space straight b to the power of negative 3 end exponent end style adalah begin mathsize 14px style 1 over straight b cubed end style.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 04 April 2021

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