SubArea: Expressions with exponents and radicalsLevel: BProject ID: 2010004701Accepted: 0Clonable: 1Easy: 0The value of the multiplicative inverse of \( \left[ \left( \frac12 \right)^{-1} -5^{-2}\right]^{\frac12} \) is:\( \frac57 \)\( \sqrt2-\frac15 \)\( \frac{25}{49} \)\( \frac75 \)
