JAMB - Mathematics (1980 - No. 3)
Evaluate \((2^{0} + 4^{-\frac{1}{2}})^{2}\)
\(\frac{1}{4}\)
\(\frac{5}{4}\)
\(\frac{9}{4}\)
4
9
解释
\((2^{0} + 4^{-\frac{1}{2}})^{2}\)
= \((1 + (\frac{1}{4})^{\frac{1}{2}})^{2}\)
= \((1 + \frac{1}{2})^{2}\)
= \((\frac{3}{2})^{2} = \frac{9}{4}\)