Roboguru

Sederhanakan operasi aljabar berikut ini.

Pertanyaan

Sederhanakan operasi aljabar berikut ini.

straight b cross times 2 straight y to the power of 7 cross times straight b cubed cross times straight y squared 

Pembahasan Soal:

Ingat kembali aturan perkalian bilangan berpangkat yaitu

table attributes columnalign right center left columnspacing 0px end attributes row blank blank cell straight a blank to the power of straight m cross times straight a blank to the power of straight n equals straight a blank to the power of straight m plus straight n end exponent end cell end table 

Sehingga

  table attributes columnalign right center left columnspacing 0px end attributes row cell straight b cross times 2 straight y to the power of 7 cross times straight b cubed cross times straight y squared end cell equals cell straight b cross times straight b cubed cross times 2 cross times straight y to the power of 7 cross times straight y squared end cell row blank equals cell straight b to the power of 1 plus 3 end exponent cross times 2 cross times straight y to the power of 7 plus 2 end exponent end cell row blank equals cell 2 cross times straight b to the power of 4 cross times straight y to the power of 9 end cell row blank equals cell 2 straight b to the power of 4 straight y to the power of 9 end cell end table     

Jadi, bentuk sederhana dari straight b cross times 2 straight y to the power of 7 cross times straight b cubed cross times straight y squared adalah 2 straight b to the power of 4 straight y to the power of 9.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 17 Juli 2021

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