Question on: WAEC Mathematics - 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 Option: A
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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