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单选题 x→0时,以下无穷小中阶数最低的是
学科：默认课程
时间：2025-11-20 01:23:06
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题目1单选题
设函数<img src="https://tihai-oss-cloud.itihey.com/img/eb7978cf97a822cc61917206726511f3.png">,求其定义域A. <img src="https://tihai-oss-cloud.itihey.com/img/e29d2a74d2bd348db9460f84fb5a971c.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/ee67e940d16363ca33ff4ae4f5e4aa84.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/a7ac1c3edac8cb656172b66bf38f3a6d.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/48f5223734666e6ef40e588b4d431031.png">E. <img src="https://tihai-oss-cloud.itihey.com/img/091d15629bfea9f583aff598e50ea4ac.png">
题目2单选题
以下数列中收敛的是A. <img src="https://tihai-oss-cloud.itihey.com/img/574593009389156d95ec2e4cee9e2454.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/f5be4537efeb6cc553b1c5378a05a5ed.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/55346d258a11b1732f9f1ccb582dc254.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/4e22e44628c91d81ab74b11f0ec45212.png">
题目3单选题
设 <img src="https://tihai-oss-cloud.itihey.com/img/6f82cba80cefd1cc8e3abc010af9d273.png">,求 <img src="https://tihai-oss-cloud.itihey.com/img/bb02938988f995f7f31f94d9cf2e3e1e.png"> 的值A. 不存在B. 5C. 6D. 7
题目4单选题
<img src="https://tihai-oss-cloud.itihey.com/img/43ff61553745b58b819e9998b74a28b2.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/b0fcaf852bb6085fd68921c31c927a9f.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/7cfc1a01b1ad2396892e12da03f26fb0.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/9b479b0c40fa786f2e43fc1fe063fc0f.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/748660e1853207035d489b58e26bef24.png">
题目5单选题
<img src="https://tihai-oss-cloud.itihey.com/img/9be1486902c879db337733ffa30d0b5f.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/b0fcaf852bb6085fd68921c31c927a9f.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/9b479b0c40fa786f2e43fc1fe063fc0f.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/4df6f4204034fb4397c4a7129db6a7c7.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/7cfc1a01b1ad2396892e12da03f26fb0.png">
题目6单选题
x→0时,以下无穷小中阶数最低的是A. tanx - xB. x³C. sinx - xD. 1 - cosx
题目7单选题
当x→1时,下列函数中是无穷大的是A. ln(x−1)B. <img src="https://tihai-oss-cloud.itihey.com/img/0f5eb956f3be7962ea6ead9e48cc49d3.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/cd6bf54c220e80dc0dc7ac0a2fccc76c.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/579d7cfd50ee23cdab688cb875de0ecf.png">
题目8单选题
<img src="https://tihai-oss-cloud.itihey.com/img/25722373b02c1dc7d70e7f08b2464940.png"> 的值为A. <img src="https://tihai-oss-cloud.itihey.com/img/a18dd9014fc61130a5349bca0897af69.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/caf5316ca9562d835638f303f2d8bf36.png">C. 不存在D. <img src="https://tihai-oss-cloud.itihey.com/img/5f7dc98ab61d09c569da52682b892c50.png">
题目9单选题
当<img src="https://tihai-oss-cloud.itihey.com/img/131b6d089b30c54e65bb208343e7ed19.png">时,求<img src="https://tihai-oss-cloud.itihey.com/img/9842f5d299624a98fd9f74ca6d7267f8.png">的结果是A. <img src="https://tihai-oss-cloud.itihey.com/img/4dee12dc256daf97781aa6a27a4c5a30.png">B. ∞C. 0D. 不存在
题目10单选题
设 <img src="https://tihai-oss-cloud.itihey.com/img/8a69c5bc5f528dc6a66f21ea8b78b039.png"> 时,<img src="https://tihai-oss-cloud.itihey.com/img/a9b97db697a360efe0243bfbfef6ae63.png">,<img src="https://tihai-oss-cloud.itihey.com/img/8d44d63b26bb1fb915b0ac774f61b414.png">,则下列说法正确的是A. <img src="https://tihai-oss-cloud.itihey.com/img/803467aa65c58079a2ec2ffa9c4ae900.png"> 是 <img src="https://tihai-oss-cloud.itihey.com/img/f7656b2f782fa65e6112cd15bfa9a42c.png"> 的高阶无穷小B. <img src="https://tihai-oss-cloud.itihey.com/img/f7656b2f782fa65e6112cd15bfa9a42c.png"> 是 <img src="https://tihai-oss-cloud.itihey.com/img/803467aa65c58079a2ec2ffa9c4ae900.png"> 的高阶无穷小C. <img src="https://tihai-oss-cloud.itihey.com/img/f7656b2f782fa65e6112cd15bfa9a42c.png"> 与 <img src="https://tihai-oss-cloud.itihey.com/img/803467aa65c58079a2ec2ffa9c4ae900.png"> 是等价无穷小D. <img src="https://tihai-oss-cloud.itihey.com/img/f7656b2f782fa65e6112cd15bfa9a42c.png"> 与 <img src="https://tihai-oss-cloud.itihey.com/img/803467aa65c58079a2ec2ffa9c4ae900.png"> 同阶但不等价
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