2017 年第九届全国大学生数学竞赛初赛(非数学类)试卷
12017年第九届全国大学生数学竞赛初赛(非数学类)试卷一、填空题(本题42分,共6小题,每小题7分)1.已知可导函数()fx满足()()0cos2sind1xfxxftttx+=+ò,则()fx=________________。2.极限22limsinnnnp¥æöç÷+=ç÷ç÷èø__________________。3.设(),wfuv=具有二阶连续偏导数,且,uxcyvxcy=-=+,其中c为非零常数,则21xxyywwc-=___________。如果你还不知道读什么书,或者想寻找下载阅读更多书籍,就请您打开微信扫一扫,扫描下方二维码,关注微信公众号:大学生学术墙。微信直接搜索...
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