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A binary operation ♦ is defined on the set R, of real numbers by \(a ♦ b...

Further Mathematics
WAEC 2006

A binary operation ♦ is defined on the set R, of real numbers by \(a ♦ b = \frac{ab}{4}\). Find the value of \(\sqrt{2} ♦ \sqrt{6}\).

  • A. \(\sqrt{3}\)
  • B. \(\frac{3\sqrt{2}}{4}\)
  • C. \(\frac{\sqrt{3}}{2}\)
  • D. \(\frac{\sqrt{2}}{2}\)
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Correct Answer: Option C
Explanation

\(a ♦ b = \frac{ab}{4}\)

\(\sqrt{2} ♦ \sqrt{6} = \frac{\sqrt{2} \times \sqrt{6}}{4} = \frac{\sqrt{12}}{4}\)

= \(\frac{2\sqrt{3}}{4} \)

= \(\frac{\sqrt{3}}{2}\)


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Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid
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NECO June/July 2024 - Get offline past questions & answers - Download objective & theory, all in one app 48789
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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Project Topics and Materials, Post-UTME past questions - Download now or upload yours to get paid
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts