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If 2n = y, Find 2\(^{(2 + \frac{n}{3})}\)

Mathematics
WAEC 2015

If 2n = y, Find 2\(^{(2 + \frac{n}{3})}\)
  • A. 4y\(^\frac{1}{3}\)
  • B. 4y\(^-3\)
  • C. 2y\(^\frac{1}{3}\)
  • D. 2y\(^-3\)
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Correct Answer: Option A
Explanation
If 2n = y,

then, 2\(^{(2 + \frac{n}{3})}\) = 22 x 2\(^\frac{n}{3}\)

= 4 x (2n)\(^{\frac{1}{3}}\)

But y = 2n, hence

2\(^{(2 + \frac{n}{3})}\) = 4 x y\(^{\frac{1}{3}}\)

= 4y\(^\frac{1}{3}\)

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JAMB CBT 2025 - Candidates, Schools, Centres, Resellers - Get Ready!
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