UI Post-UTME Mathematics 2014 Question 17

Question 17

Polynomials

Find the remainder when the expression x5 + 4x3 − x2 + 1 is divided by x − 1

  1. A.−1
  2. B.1
  3. C.−5
  4. D.5
Show the answer and explanation

Answer: D (5)

Explanation

f(1) = 1 + 4 − 1 + 1 = 5.