Jika P(x)=x4+5x3+9x2+13x+a dibagi dengan (x + 3) bersisa 2, maka P(x) dibagi akan bersisa ....

Pertanyaan

Jika P left parenthesis x right parenthesis equals x to the power of 4 plus 5 x cubed plus 9 x squared plus 13 x plus a dibagi dengan (x + 3) bersisa 2, maka P(x) dibagi akan bersisa ....

  1. 2

  2. -3

  3. 4

  4. -5

  5. 6

D. Kamilia

Master Teacher

Mahasiswa/Alumni Universitas Negeri Malang

Jawaban terverifikasi

Pembahasan

P left parenthesis x right parenthesis equals x to the power of 4 plus 5 x cubed plus 9 x squared plus 13 x plus a space d i b a g i space d e n g a n space left parenthesis x plus 3 right parenthesis space b e r s i s a space 2 colon  p left parenthesis negative 3 right parenthesis equals 2  2 equals space left parenthesis negative 3 right parenthesis to the power of 4 plus space 5 left parenthesis negative 3 right parenthesis cubed plus 9 left parenthesis negative 3 right parenthesis squared plus 13 left parenthesis negative 3 right parenthesis plus a  a equals negative 18 plus 135 minus 81 plus 39  a equals 14  P left parenthesis x right parenthesis equals x to the power of 4 plus 5 x cubed plus 9 x squared plus 13 x plus a  P left parenthesis x right parenthesis equals x to the power of 4 plus 5 x cubed plus 9 x squared plus 13 x plus 14  P left parenthesis negative 1 right parenthesis equals left parenthesis negative 1 right parenthesis to the power of 4 plus 5 left parenthesis negative 1 right parenthesis cubed plus 9 left parenthesis negative 1 right parenthesis squared plus 13 x left parenthesis negative 1 right parenthesis plus 14  P left parenthesis negative 1 right parenthesis equals 1 minus 5 plus 9 minus 13 plus 14  P left parenthesis negative 1 right parenthesis equals 6

5rb+

5.0 (3 rating)

Raditya Damaris Wahyudiharto

Makasih ❤️

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