3. Calculate the work done by the force \( F = (2y - x^2 e^x)i + (\cos(4y^2) - x)j \) in moving a particle about the rectangular path \( C \) of the Figure below. (25%).
阿摩線上測驗
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3. Calculate the work done by the force \( F = (2y - x^2 e^x)i + (\cos(4y^2) - x)j \) in moving a particle about the rectangular path \( C \) of the Figure below. (25%).