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单选题 【单选题】将极坐标系下二次积分
化为直角坐标系下二次积分形式,则I=( )
A. 
B. 
C. 
D. 
学科：微积分
时间：2023-06-26 11:26:42
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题目1单选题
估计积分<img src="https://tihai-oss-cloud.itihey.com/img/f54dd6c1f931ddb7a02950083177b5ed.png"> 的值,正确的是( )A. <img src="https://tihai-oss-cloud.itihey.com/img/875720f45f3a90ed54c02d91233cf6e9.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/32a19c25d00b144e54850727c2f858e9.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/44c789ba37334c5db13a9af4d7a00e23.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/e7cf9a616149e787ec4390b4bdb97385.png">
题目2单选题
设D是由x轴、y轴与直线x+y=1所围成,比较<img src="https://tihai-oss-cloud.itihey.com/img/74bd3cba0c365f254982b51a4bda9390.png">( )A. <img src="https://tihai-oss-cloud.itihey.com/img/afdf6b549aee959dc0b9b053d7ae4a98.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/2937b5c8561b7c3c59a0592fadc5d9db.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/bb38dcc925aa552ffc173cb4e5d2282d.png">D. 无法比较
题目3单选题
设D是由直线y=x,x=-1和y=1 所围成,则<img src="https://tihai-oss-cloud.itihey.com/img/c8611e3ea1bee016eaf76791970c9b15.png"> 的值为( )A. 4B. 2C. 6D. 8
题目4单选题
设D是由圆周<img src="https://tihai-oss-cloud.itihey.com/img/ff554c445c024d381b9eb4eefea475d9.png">所围成,比较<img src="https://tihai-oss-cloud.itihey.com/img/74bd3cba0c365f254982b51a4bda9390.png"> ( )A. <img src="https://tihai-oss-cloud.itihey.com/img/afdf6b549aee959dc0b9b053d7ae4a98.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/2937b5c8561b7c3c59a0592fadc5d9db.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/bb38dcc925aa552ffc173cb4e5d2282d.png">D. 无法比较
题目5单选题
设D是顶点分别为(1,0),(1,1),(2,0) 的三角形闭区域,比较积分大小<img src="https://tihai-oss-cloud.itihey.com/img/9b8bc256696f7b84462e57c2f47a3e0a.png">,<img src="https://tihai-oss-cloud.itihey.com/img/5f17a7d4703c020c609436eb53918e7d.png">.( )A. <img src="https://tihai-oss-cloud.itihey.com/img/afdf6b549aee959dc0b9b053d7ae4a98.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/2937b5c8561b7c3c59a0592fadc5d9db.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/bb38dcc925aa552ffc173cb4e5d2282d.png">D. 无法比较
题目6单选题
设<img src="https://tihai-oss-cloud.itihey.com/img/6bb69c31fa125d122a5e823e238a5949.png"> ,比较<img src="https://tihai-oss-cloud.itihey.com/img/9b8bc256696f7b84462e57c2f47a3e0a.png">,<img src="https://tihai-oss-cloud.itihey.com/img/5f17a7d4703c020c609436eb53918e7d.png">.( )A. <img src="https://tihai-oss-cloud.itihey.com/img/afdf6b549aee959dc0b9b053d7ae4a98.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/2937b5c8561b7c3c59a0592fadc5d9db.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/bb38dcc925aa552ffc173cb4e5d2282d.png">D. 无法比较
题目7单选题
设D:<img src="https://tihai-oss-cloud.itihey.com/img/96298f390e76e8f0c11ae5aece8054f6.png"> ,估算<img src="https://tihai-oss-cloud.itihey.com/img/4acf5f044b018668292f8c7072d5dd9f.png">的值( )A. <img src="https://tihai-oss-cloud.itihey.com/img/3c932e5992cc37328e8a0a420ed86e00.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/f690a54d5b19c1ec8532d0b20124a954.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/6507b1e4234640333a570d58dd6ad233.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/dc6b406d01c749712afc16288b862a63.png">
题目8单选题
设D: <img src="https://tihai-oss-cloud.itihey.com/img/00b6a235251011edc9a46e3586b247e8.png"> ,则<img src="https://tihai-oss-cloud.itihey.com/img/c8611e3ea1bee016eaf76791970c9b15.png"> 的值为( )A. <img src="https://tihai-oss-cloud.itihey.com/img/8a787d7da55c38b34e42a2f589662a15.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/bf7e08dc5220e68dd49c4a2649984a21.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/22e7247e6ea64f89c0349bebe8cfbeb7.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/88abdb408da81fafa638e996a0913290.png">
题目9单选题
设D:<img src="https://tihai-oss-cloud.itihey.com/img/68eb254067d8a9a4ef02590bcd7e5308.png"> ,则<img src="https://tihai-oss-cloud.itihey.com/img/d957285d5d11aa24a8eee4e2620b1234.png"> 的值是( )A. <img src="https://tihai-oss-cloud.itihey.com/img/8a787d7da55c38b34e42a2f589662a15.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/f5f09b93156bf016bf5458529cc77283.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/04fd34a37c1c88e66b290c0d1bdef156.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/22e7247e6ea64f89c0349bebe8cfbeb7.png">
题目10单选题
设D是由x轴、 y轴与直线 x+y=1所围成,则<img src="https://tihai-oss-cloud.itihey.com/img/78636a4d5aa8316cf17c4fedf4b55d80.png"> 的值为( )A. 3B. 1C. 1.5D. 6
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