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Pertanyaan

Suku banyak berderajat 3, jika dibagi ( x 2 − x − 6 ) b ers i s a ( 5 x − 2 ) , jika d iba g i ( x 2 − 2 x − 3 ) b ers i s a ( 3 x + 4 ) . S u k u ban y ak t erse b u t a d a l ah ...

Suku banyak berderajat 3, jika dibagi

  1. 3 x cubed minus 2 x squared plus 2

  2. x cubed minus 2 x squared minus 2

  3. x cubed minus 2 x squared plus 4

  4. x cubed plus x squared plus 4

  5. x cubed minus 1 half x squared plus 4

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S. Nur

Master Teacher

Jawaban terverifikasi

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Pembahasan

f left parenthesis x right parenthesis equals left parenthesis x squared minus 2 x minus 3 right parenthesis left parenthesis x plus n right parenthesis plus left parenthesis 3 x plus 4 right parenthesis  left right arrow left parenthesis x squared minus 2 x minus 3 right parenthesis equals 0  left right arrow left parenthesis x minus 3 right parenthesis left parenthesis x plus 1 right parenthesis equals 0  x equals 3 comma space x equals negative 1    N i l a i space x space y a n g space t e l a h space d i p e r o l e h space k e space f left parenthesis x right parenthesis colon  f left parenthesis x right parenthesis equals left parenthesis x squared minus 2 x minus 3 right parenthesis left parenthesis x plus n right parenthesis plus left parenthesis 3 x plus 4 right parenthesis  f left parenthesis negative 1 right parenthesis equals 0 plus left parenthesis 3. left parenthesis negative 1 right parenthesis plus 4 right parenthesis  f left parenthesis negative 1 right parenthesis equals 1    S u b s t i t u s i k a n space f left parenthesis negative 1 right parenthesis space equals space 1 colon  f left parenthesis x right parenthesis equals left parenthesis x squared minus x minus 6 right parenthesis left parenthesis x plus m right parenthesis plus left parenthesis 5 x minus 2 right parenthesis  f left parenthesis negative 1 right parenthesis equals open parentheses open vertical bar negative 1 close vertical bar squared minus open vertical bar negative 1 close vertical bar squared minus 6 close parentheses open parentheses negative 1 plus m close parentheses left parenthesis 5. open vertical bar negative 1 close vertical bar minus 2 right parenthesis  1 equals negative 4 left parenthesis negative 1 plus m right parenthesis minus 7  4 m equals negative 4  m equals negative 1    M a k a colon  f left parenthesis x right parenthesis equals left parenthesis x squared minus x minus 6 right parenthesis left parenthesis x plus m right parenthesis plus left parenthesis 5 x minus 2 right parenthesis  f left parenthesis x right parenthesis equals left parenthesis x squared minus x minus 6 right parenthesis left parenthesis x minus 1 right parenthesis plus left parenthesis 5 x minus 2 right parenthesis  f left parenthesis x right parenthesis equals x cubed minus 2 x squared minus 5 x plus 5 x plus 6 minus 2  f left parenthesis x right parenthesis equals x cubed minus 2 x squared plus 4

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Madelyn Angela

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Fungsi f(x) dibagi (x - 1) sisanya 3, sedangkan jika dibagi (x - 2) sisanya 4. Kalau dibagi ( x 2 − 3 x + 2 ) maka sisanya...

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