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If the operation * on the set of integers is defined by P * Q = \(\sqrt{PQ}\),...

Mathematics
JAMB 2004

If the operation * on the set of integers is defined by P * Q = \(\sqrt{PQ}\), find the value of 4 * ( 8 * 32).

  • A. 8
  • B. 3
  • C. 16
  • D. 4
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Correct Answer: Option A
Explanation

\(P\times Q =\sqrt{PQ}\)

4\(\times(8\times32) = 4\times\sqrt{8\times32}\)

= 4\(\times\sqrt{256}\) =4\(\times16\) = \(\sqrt{4\times16}\)

=\(\sqrt{64}\) = 8

There is an explanation video available below.


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Explanation Video

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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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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 127076
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