Insert the corresponding expression:
Insert the corresponding expression:
To solve this problem, let's follow these steps:
Now, let's proceed through each step in detail:
Step 1: We start with the given expression .
Step 2: According to the rule for powers of fractions, we write this expression as:
.
Step 3: This simplification converts both the numerator and the denominator's power into a single power of the fraction .
Therefore, the expression is equivalent to .
Comparing with the given answer choices, the correct choice is \( \text{Choice 2: } .