Question

o resto da divisão de 5z^4 -2z +1 por z - 2 é:
a) 100
b) 77
c) 14
d) 0

Answer 1

  5z^4 + 0z³ + 0z² - 2z + 1 |__z - 2___________
-5z^4  +10z³                       5z³ + 10z² + 20z + 38
             10z³ + 0z²
            -10z³ +20z²
                      20z²  -2z
                    -20z² +40z
                               38z + 1
                             -38z + 76
                                        77
Resposta: alternativa b)