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Jika  dan , hasil pengurangan adalah ...

Pertanyaan

Jika begin mathsize 14px style f left parenthesis x right parenthesis equals x to the power of 4 plus 3 x cubed minus 2 x squared plus x plus 5 end style dan begin mathsize 14px style g left parenthesis x right parenthesis equals x cubed minus 4 x squared minus 2 x plus 8 end style, hasil pengurangan begin mathsize 14px style f left parenthesis x right parenthesis minus g left parenthesis x right parenthesis space end styleadalah ...

  1. begin mathsize 14px style x to the power of 4 plus 2 x cubed plus 2 x squared plus 3 x plus 3 end style 

  2. begin mathsize 14px style x to the power of 4 plus 2 x cubed minus 2 x squared plus 3 x plus 3 end style 

  3. begin mathsize 14px style x to the power of 4 plus 2 x cubed plus 2 x squared plus 3 x minus 3 end style 

  4. begin mathsize 14px style x to the power of 4 plus 2 x cubed minus 2 x squared plus 3 x minus 3 end style 

  5. begin mathsize 14px style x to the power of 4 plus 2 x cubed minus 6 x squared plus 3 x minus 3 end style 

Pembahasan Video:

Pembahasan Soal:

begin mathsize 14px style f left parenthesis x right parenthesis equals x to the power of 4 plus 3 x cubed minus 2 x squared plus x plus 5 end style dan begin mathsize 14px style g left parenthesis x right parenthesis equals x cubed minus 4 x squared minus 2 x plus 8 end style
Maka hasil pengurangan begin mathsize 14px style f left parenthesis x right parenthesis minus g left parenthesis x right parenthesis space end styledapat ditentukan sebagai berikut

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell f left parenthesis x right parenthesis minus g left parenthesis x right parenthesis end cell equals cell open parentheses x to the power of 4 plus 3 x cubed minus 2 x squared plus x plus 5 close parentheses minus open parentheses x cubed minus 4 x squared minus 2 x plus 8 close parentheses end cell row blank equals cell x to the power of 4 plus 3 x cubed minus x cubed minus 2 x squared plus 4 x squared plus x plus 2 x plus 5 minus 8 end cell row blank equals cell x to the power of 4 plus 2 x cubed plus 2 x squared plus 3 x minus 3 end cell end table end style 

Jadi, Jawaban yang tepat adalah C.

Pembahasan terverifikasi oleh Roboguru

Terakhir diupdate 12 April 2021

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