GKFix MCQ Question

In the context of the lens maker's formula, what happens to the term (1/R1 - 1/R2) if R1 = R2?

• A. The term (1/R1 - 1/R2) becomes zero
• B. The term (1/R1 - 1/R2) becomes 1/R1
• C. The term (1/R1 - 1/R2) becomes 2/R1
• D. The term (1/R1 - 1/R2) becomes negative