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The binary operation * is defined on the set of integers p and q by...

Mathematics
JAMB 2002

The binary operation * is defined on the set of integers p and q by p*q = pq + p + q. Find 2 * (3 * 4).

  • A. 59
  • B. 19
  • C. 67
  • D. 38
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Correct Answer: Option A
Explanation

\(p \ast q = pq + p + q\)

\(2 \ast (3 \ast 4) \)

\(3 \ast 4 = 12 + 3 + 4 = 19\)

\(2 \ast 19 = 38 + 2 + 19 = 59\)


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