I upload the HW5 solutions here.
Please check and if you have any questions, feel free to tell me.
Also, you can get your HW5 back.
(I put your HW in front of Natural Science building(E6-2) 1314(Prof. sungjae Cho's laboratory))
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혹시 제출했는데 누락된 것이라면 알려주시기 바랍니다.]