Algebra-1

Question Analysis
This question tests the student's understanding of negative exponents and their ability to simplify expressions involving them, specifically when dealing with variables and coefficients.

Key Concept Explanation
A negative exponent indicates the reciprocal of the base raised to the positive exponent. For the expression , it simplifies to .

Step-by-step Solution
1. Identify the bases and the exponents: Base for numerator = 2x, Exponent for numerator = -2; Base for denominator = 4y, Exponent for denominator = -2.
2. Apply the rule for negative exponents:

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