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Numbers System — Maths STD 9 — Question

Gujarat BoardEnglish MediumSTD 9MathsNumbers System3 Marks
Question
Evaluate: $\big[(16)^{\frac{1}{2}}\big]^{\frac{1}{2}}$
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Answer

$\big[(16)^{\frac{1}{2}}\big]^{\frac{1}{2}}$ $=\Big[(4^2)^{\frac{1}{2}}\Big]^{\frac{1}{2}}$ $=\Big[4^{\frac{1}{2}}\Big]$ $=2^{2\times\frac{1}{2}}$ $=2$

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