Algebra-1

Question Analysis
This question tests the student's ability to simplify an expression involving negative exponents by applying the rules of exponents.

Key Concept Explanation
The key concept here is the rule for dividing powers with the same base: . Additionally, the student needs to understand that a negative exponent can be rewritten as a positive exponent in the denominator.

Step-by-step Solution
1. Simplify the fraction:
2. Apply the exponent rule:

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