engineering recuitment NFC Chemical Plant Operator Mock Test Quantitative Aptitude Simplification Surds and Indices
\({\left( {\frac{1}{{{{\left( 2 \right)}^{ - 1}}}}} \right)^{\frac{1}{2}}}\;\) is equal to
1
\(1-\sqrt 2\)
2
\(2\sqrt 2\)
3
\(- \sqrt 2\)
4
\(\sqrt 2\)