[单选题]The particular integral is obtained by an application of ___________ the method of undetermined coefficients.2d4答案窝(daanwo.com)-大学生作业答案及考资分享平台
Awhat speak of as2d4答案窝(daanwo.com)-大学生作业答案及考资分享平台
Bwhat we speak2d4答案窝(daanwo.com)-大学生作业答案及考资分享平台
Cwhat is spoken of as2d4答案窝(daanwo.com)-大学生作业答案及考资分享平台
Dwhat is spoken of