JAMB 2013 · UTME · Q13

The remainder when 6p3−p2−47p+306p^3 - p^2 - 47p + 30 is divided by p−3p - 3 is

Worked solution (try it first)
  1. By the remainder theorem, the remainder on dividing by p−3p - 3 is the value at p=3p = 3.
  2. 6(27)−9−47(3)+306(27) - 9 - 47(3) + 30, which is 162−9−141+30162 - 9 - 141 + 30.
  3. So the remainder is 42, option D.

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