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13 April, 02:59

What is the remainder when x4 + 3x3 - x2 + 7x - 1 is divided

by 2 - x?

A) - 27

B) - 23

Eliminate

C) 49

D) 53

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Answers (1)
  1. 13 April, 03:24
    0
    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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