登陆题目详情
单选题 函数 
在点 
处沿 
的方向导数为
D. 
学科：高等数学II(下册）
时间：2023-06-24 09:14:44
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题目1单选题
<img src="https://tihai-oss-cloud.itihey.com/img/b8cdecd4ad9248a0fcd2155232721b5f.webp">A. <img src="https://tihai-oss-cloud.itihey.com/img/42632476cd999fdf1e86df360a05892e.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/49abdc10ef0face6321bc26ae7c0df24.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/22455bee890cc23f5112decca6d0db19.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/04c485683653aae0d1d2370bdde14572.webp">
题目2单选题
<img src="https://tihai-oss-cloud.itihey.com/img/36327f0ca0471d3e2a1b905b29fce9c9.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/bd46161013fd1879d7c15226f6043985.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/1ce81b88c2512dc205923af3035f12bf.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/229e10d36618136eb3f2e68cebec2ea8.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/c60dd00cb48c698364406d6284cb7ecf.png">
题目3单选题
<img src="https://tihai-oss-cloud.itihey.com/img/429dd2cc618072936a400bd655149cc9.webp">A. <img src="https://tihai-oss-cloud.itihey.com/img/95a383ffa5cb0ef2d1b87ac7ee115692.webp">B. <img src="https://tihai-oss-cloud.itihey.com/img/e027e5931d9f9fca2e1d5508563cb2db.webp">C. <img src="https://tihai-oss-cloud.itihey.com/img/5cf82d20be21d971009a5466e6a621c5.webp">D. <img src="https://tihai-oss-cloud.itihey.com/img/fff41a961b4c73617f5d7fad57a2182b.png">
题目4单选题
设 <img src="https://tihai-oss-cloud.itihey.com/img/39f85fd56771d370a23141cca3fbe4de.png">, <img src="https://tihai-oss-cloud.itihey.com/img/ff5d437aff1cd58bf8cf8c0455734b78.png"> 有一阶连续的偏导数, 则<img src="https://tihai-oss-cloud.itihey.com/img/69efe25a09c323b9aac7dc1e42b54039.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/6dd8f6523cf5559f56ba3d304e90acab.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/9ce4f47abffd619a55691f019d141dd6.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/8ae1855a3c58bb4f542b26bd4c104f17.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/364b7b508557f8f84952024ad0718735.png">
题目5单选题
函数 <img src="https://tihai-oss-cloud.itihey.com/img/9efd3c158ee7001e870b3ef142230394.png"> 在点 <img src="https://tihai-oss-cloud.itihey.com/img/3574e7bd29b223d6f0a2305c4a3cc83b.png"> 处沿 <img src="https://tihai-oss-cloud.itihey.com/img/f6ead3da824ce26140d0610caf75846e.png">的方向导数为<img src="https://tihai-oss-cloud.itihey.com/img/8d68d2934a725864b350efff83f93438.png">A. -4B. 4C. -12D. <img src="https://tihai-oss-cloud.itihey.com/img/6726e0c8614eb0cd9aa0b6bf54ce6cdb.png">
题目6单选题
<img src="https://tihai-oss-cloud.itihey.com/img/14acc54a1853421714eb9d5b3f6ae0ba.webp">A. <img src="https://tihai-oss-cloud.itihey.com/img/7a8bc3c2448d34956d36e8e8a9249913.webp">B. <img src="https://tihai-oss-cloud.itihey.com/img/78de61ee5ef2622ab0a0426000ff160f.webp">C. <img src="https://tihai-oss-cloud.itihey.com/img/0e49b0d4ed9b2a85a76b329d9dfd2ccd.webp">D. <img src="https://tihai-oss-cloud.itihey.com/img/2900b18db44b17f1d1a15d7b3c3e6e7d.webp">
题目7单选题
<img src="https://tihai-oss-cloud.itihey.com/img/843d048e3fbb8a5afba041440b9aa44d.webp">A. <img src="https://tihai-oss-cloud.itihey.com/img/73c09fc23638b65aaa4590f6049b1567.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/87d45d0532f87230182d92956a9eafc7.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/fcca3752b7a953814a2bd2ada3cd7d1e.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/b93cf52bcb5b0c8b4d93768e6bf49bc1.png">
题目8单选题
<img src="https://tihai-oss-cloud.itihey.com/img/c18527157fc363fcfb7672f32ef3e1e1.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/bcf9a6beeea5c21b6be1ce79e118c7d4.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/094d8f04545ae744d29ce86a78c349d6.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/079d973f75647f8b389b7151dd9bdc00.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/442c47ca89bc23a7190d8d5850cc23f9.png">
题目9单选题
<img src="https://tihai-oss-cloud.itihey.com/img/0c28a84f28dc9ebad9a7a99303c6ca5d.webp">A. <img src="https://tihai-oss-cloud.itihey.com/img/9774a409d892a967bd836c961dba9a2f.webp">B. <img src="https://tihai-oss-cloud.itihey.com/img/84daa5a312d574fb55501e19869a9aad.webp">C. <img src="https://tihai-oss-cloud.itihey.com/img/6d3cb641e6c33ce0d0d935e788053bcb.webp">D. <img src="https://tihai-oss-cloud.itihey.com/img/c6eecd42820d3147dc5c58f1bbb07846.webp">
题目10单选题
<img src="https://tihai-oss-cloud.itihey.com/img/8c2db41b94c5eed43b259cb6cf62227c.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/3d3388f89fbc97f86e7cb81b2b9baf39.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/0bb91abd1332cda0bcb6473181d45de2.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/dfdcde047e086cb2dd9ef4e2e34b65f2.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/563377768a8546cbd05c9ce9b9da5c9c.png">
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