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Question

The remainder when x4 – 3x2 + 5x – 7 is divided by x + 1 is:


  1. 25

  2. 20

  3. 15

  4. -14


Solution

The correct option is D

-14


Put x = -1 in the polynomial p(x) = x4 – 3x2 + 5x – 7.

p(-1) = 1- 3 – 5 - 7

         = -14

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