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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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