Is there an error on problem 77 of the 1996 Physics GRE test?

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SUMMARY

Problem 77 of the 1996 Physics GRE test presents two answer choices, (b) and (d), that are equivalent upon algebraic simplification. The discussion highlights the possibility of an error by ETS, the organization responsible for the GRE, as no prior reports of this issue exist. The test can be accessed at the provided Stanford link for verification. Participants are encouraged to analyze the algebraic expressions to confirm the equivalence of the answer choices.

PREREQUISITES
  • Understanding of algebraic simplification techniques
  • Familiarity with the GRE test format and structure
  • Basic knowledge of physics concepts relevant to GRE problems
  • Access to the 1996 Physics GRE test document
NEXT STEPS
  • Review the 1996 Physics GRE test, specifically problem 77, available at http://www.stanford.edu/group/sps/files/GR9677.pdf
  • Study algebraic simplification methods to verify equivalence of expressions
  • Research common errors in standardized testing, particularly in physics assessments
  • Engage with online forums discussing GRE test questions for collaborative insights
USEFUL FOR

Students preparing for the GRE, educators reviewing standardized test questions, and anyone interested in the accuracy of physics assessments.

dsr39
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On problem number 77 on the 1996 Physics GRE test that is now available for practice, I believe there are two answer choices that are completely equivalent.

The test is here:
http://www.stanford.edu/group/sps/files/GR9677.pdf

I think answer choice (d) reduces down to choice (b), and I don't see anything barring me from making the algebraic simplifications. Is it really possible that ETS made a mistake that hasn't been found/reported or am I missing something?

Thanks for the help

- Dave
 
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