Roboguru

Diketahui :   Tentukan c)

Pertanyaan

Diketahui :

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row A equals cell 2 b plus 4 a squared end cell row B equals cell a squared minus 6 b end cell row C equals cell b minus 6 a squared end cell end table end style 

Tentukan

c) begin mathsize 14px style A B plus 2 B C end style 

  1. ...space 

  2. ...undefined 

Pembahasan Video:

Pembahasan Soal:

begin mathsize 14px style table row cell A B plus 2 B C end cell equals cell left parenthesis 2 b plus 4 a squared right parenthesis left parenthesis a squared minus 6 b right parenthesis plus 2 left parenthesis a squared minus 6 b right parenthesis left parenthesis b minus 6 a squared right parenthesis end cell row blank equals cell left parenthesis 2 a squared b minus 12 b squared plus 4 a to the power of 4 minus 24 a squared straight b right parenthesis plus 2 left parenthesis a squared b minus 6 a to the power of 4 minus 6 b squared plus 36 a squared b right parenthesis end cell row blank equals cell 2 a squared b minus 12 b squared plus 4 a to the power of 4 minus 24 a squared straight b plus 2 a squared b minus 12 a to the power of 4 minus 12 b squared plus 72 a squared b end cell row blank equals cell 4 a to the power of 4 minus 12 a to the power of 4 plus 2 a squared b minus 24 a squared straight b plus 2 a squared b plus 72 a squared b minus 12 b squared minus 12 b squared end cell row cell A B plus 2 B C end cell equals cell negative 8 a to the power of 4 plus 52 a squared b minus 24 b squared end cell end table end style 

Jadi, begin mathsize 14px style A B plus 2 B C end style adalah  begin mathsize 14px style negative 8 a to the power of 4 plus 52 a squared b minus 24 b squared end style.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 05 Mei 2021

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