Question on: JAMB Mathematics - 2008
simplify (16^{\frac{-1}{2}}\times 4^{\frac{-1}{2}} \times 27^{\frac{1}{3}})
A
3/8
B
2/3
C
3/4
D
3/2
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Correct Option: A
(16^{\frac{-1}{2}}\times 4^{\frac{-1}{2}} \times 27^{\frac{1}{3}}\
=\frac{1}{16^{\frac{1}{2}}}\times \frac{1}{4^{\frac{1}{2}}}\times 27^{\frac{1}{3}}\
=\frac{1}{\sqrt{16}} \times \frac{1}{\sqrt{4}} \times sqrt[3]{27}\
=\frac{1}{4} \times \frac{1}{2} \times \frac{3}{1}\
= \frac{3}{8})
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