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判断题 设椭球面方程为
,则该椭球面在点
处的法向量为
学科：默认课程
时间：2026-04-15 09:00:20
相关题目
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题目1单选题
已知曲面<img src="https://tihai-oss-cloud.itihey.com/img/4df16a954c12f78b419eeadc3ea5d030.png">,则该曲面的与平面<img src="https://tihai-oss-cloud.itihey.com/img/c2db2be8551bd33f05d7534bdb5e6033.png">平行的切平面方程为( )A. <img src="https://tihai-oss-cloud.itihey.com/img/9e0c392ffa400bd3c81d54b4071b765f.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/08f1482c7c1088fa03d7f415222744c2.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/867a8c614b983d0776b27670d3dfc1bf.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/5b8579dba8a5cf620e7f897c9d30f638.png">
题目2单选题
已知曲面<img src="https://tihai-oss-cloud.itihey.com/img/85ca72bfaf3d151759ca613db8276d21.png">上点P处的切平面平行于平面<img src="https://tihai-oss-cloud.itihey.com/img/8779acad025d9061f1083f5cd98e2486.png">,则点P的坐标为( )A. <img src="https://tihai-oss-cloud.itihey.com/img/ad7b99b6920ab0eae3563daa449f2a72.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/7419be63841a5c22c826173934953ded.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/bd4f3b1cc8642d6916a80d9c39479a90.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/98b68e9f9f65609cc4d2b22a0c09754f.png">
题目3单选题
曲线<img src="https://tihai-oss-cloud.itihey.com/img/0f0e2e9a9e5f8980141cac35088d6fcd.png">在点<img src="https://tihai-oss-cloud.itihey.com/img/98b68e9f9f65609cc4d2b22a0c09754f.png">处的切线方程为( )A. <img src="https://tihai-oss-cloud.itihey.com/img/c96693ffcb2e7fe47b589112cabda90f.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/caa5e0e9aac053d8214b0dca5be02d16.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/db66a5e21de4af4ad55b7c30b13fce22.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/7566b27362da81c1f221a2098539c073.png">
题目4判断题
设椭球面方程为<img src="https://tihai-oss-cloud.itihey.com/img/e67f6d1360eacb7ddd1c3e5abdd35c38.png">,则该椭球面在点<img src="https://tihai-oss-cloud.itihey.com/img/bd83b8525bb398a37d5c2dca11f917a2.png">处的法向量为<img src="https://tihai-oss-cloud.itihey.com/img/726d65cad09c732f85c4adfdabe240ea.png">A. 正确B. 错误
题目5判断题
设球面方程为<img src="https://tihai-oss-cloud.itihey.com/img/6e2730967f4ad308d3f7c0c40aa16f9a.png">,则该球面在点<img src="https://tihai-oss-cloud.itihey.com/img/22b99caf4bb258bb9b38d357393e1488.png">处的法向量为<img src="https://tihai-oss-cloud.itihey.com/img/22b99caf4bb258bb9b38d357393e1488.png">A. 正确B. 错误
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