Practice problem
Which is larger? AB2−1(12)−1\begin{array}{c|c} \text{A}&\text{B}\\ \hline 2^{-1}&\left(\frac12\right)^{-1} \end{array}A2−1B(21)−1
A is larger.
B is larger.
A and B are equal.
Not enough information is given.
Type a concept, like “slope” or “photosynthesis”.
