Find the difference between two sets, namely ${-3, -7, \frac{28}{3}, 9} \setminus {3, -7, 9, -\sqrt{3}, -11 \log (2)}$.
Answer:
${-3, \frac{28}{3}}$
{'source': 'AMPS', 'file': 'amps/mathematica/counting_and_statistics/set_difference/7887.txt'}