dejaheningburg0388 dejaheningburg0388
  • 07-04-2020
  • Mathematics
contestada


What is the remainder when x4 + 3x3 − x2 + 7x − 1 is divided
by 2 − x ?

A) -27
B) -23
Eliminate
C) 49
D) 53

Respuesta :

PollyP52 PollyP52
  • 07-04-2020

Answer:

C).  49.

Step-by-step explanation:

2 - x = 0  gives x = 2.

By the Remainder theorem the remainder  here is f(2).

f(2) = 2^4 + 3.2^3 - 2^2 + 2*7 - 1

=  49.

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