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首页 > 学历类 > 研究生考试 > 考研 > 考研数学一 > 设f(x, y)在点(0,0)附近有定义,且[img src="https://img.haodaxue.net/uploadimg/image/20200605/20200605184058_37628.png" alt="" /> ,则

设f(x, y)在点(0,0)附近有定义,且[img src="https://img.haodaxue.net/uploadimg/image/20200605/20200605184058_37628.png" alt="" /> ,则

A.[img src="https://img.haodaxue.net/uploadimg/ico/2020/0605/1591353787140662.png" />
B.[img src="https://img.haodaxue.net/uploadimg/ico/2020/0605/1591353793904058.png" />
C.[img src="https://img.haodaxue.net/uploadimg/ico/2020/0605/1591353804863220.png" />
D.[img src="https://img.haodaxue.net/uploadimg/ico/2020/0605/1591353809708870.png" />
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正确答案： C
答案分析：img src="https://img.haodaxue.net/uploadimg/image/20200605/20200605184449_12607.png" alt="" />
包含此试题的试卷：
2020年考研数学一模拟试题及答案解析
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