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Find the remainder when \(5x^{3} + 2x^{2} - 7x - 5\) is divided by (x...

Further Mathematics
WAEC 2011

Find the remainder when \(5x^{3} + 2x^{2} - 7x - 5\) is divided by (x - 2).

  • A. -51
  • B. -23
  • C. 29
  • D. 49
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Correct Answer: Option C
Explanation

Using remainder theorem, the remainder when \(5x^{3} + 2x^{2} - 7x -5\) is divided by (x - 2) = f(2)

\(f(2) = 5(2^{3}) + 2(2^{2}) - 7(2) -5 = 40 + 8 - 14 - 5\)

= 29


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NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789