设[tex=0.643x1.286]s6URcP8wbC8MJKVq227KIA==[/tex]阶矩阵[tex=0.857x1.286]BQkHOimMmPUuGqQUunHC8A==[/tex]与[tex=0.786x1.286]vgYnDjxTDHPmLhu0qdEAZw==[/tex]等价，则必有
未知类型：{'options': ['当[tex=6.214x1.286]GkwYpTE9Tq+TgKn938eour7ITw4bUNOqJItvYQKHy1U=[/tex]时，[tex=3.143x1.286]Bx41l75ndfhvV2BM23v1sVPaJSeVCF8PpN7y3655Pvk=[/tex]', '当[tex=6.214x1.286]GkwYpTE9Tq+TgKn938eour7ITw4bUNOqJItvYQKHy1U=[/tex]时，[tex=3.929x1.286]oyvfxADyAc3UzmKiIt60amGFCMJFgKmBiQxE1IqIKq0=[/tex]', '当[tex=3.214x1.286]UpWLHf4J08bI2aeYZ84Ft1SWxIRjJOlu4Jqx9AgKpos=[/tex]时，[tex=3.143x1.286]SCRxbuAQTGjljTsoz1GoSdTOspGDnh/XPc4Nj3gkBug=[/tex]', '当[tex=3.214x1.286]kNehpOE7HaBRlrwC660dEXxqMFYZybhPgPQzfz8vKyo=[/tex]时，[tex=3.143x1.286]SCRxbuAQTGjljTsoz1GoSdTOspGDnh/XPc4Nj3gkBug=[/tex]'], 'type': 102}
未知类型：{'options': ['当[tex=6.214x1.286]GkwYpTE9Tq+TgKn938eour7ITw4bUNOqJItvYQKHy1U=[/tex]时，[tex=3.143x1.286]Bx41l75ndfhvV2BM23v1sVPaJSeVCF8PpN7y3655Pvk=[/tex]', '当[tex=6.214x1.286]GkwYpTE9Tq+TgKn938eour7ITw4bUNOqJItvYQKHy1U=[/tex]时，[tex=3.929x1.286]oyvfxADyAc3UzmKiIt60amGFCMJFgKmBiQxE1IqIKq0=[/tex]', '当[tex=3.214x1.286]UpWLHf4J08bI2aeYZ84Ft1SWxIRjJOlu4Jqx9AgKpos=[/tex]时，[tex=3.143x1.286]SCRxbuAQTGjljTsoz1GoSdTOspGDnh/XPc4Nj3gkBug=[/tex]', '当[tex=3.214x1.286]kNehpOE7HaBRlrwC660dEXxqMFYZybhPgPQzfz8vKyo=[/tex]时，[tex=3.143x1.286]SCRxbuAQTGjljTsoz1GoSdTOspGDnh/XPc4Nj3gkBug=[/tex]'], 'type': 102}
举一反三
- 设当[tex=2.571x1.286]w0efHmbYekU5UTAU4sl3h3lFPiE/AczgZbKj14embCE=[/tex]时，[tex=8.786x1.286]bjHISL461ZOQOnaRC2xoVoTWaPrrm/i5mhaR6sLCyoU=[/tex]是比[tex=3.143x1.286]39aqLuzQDVnMdD+FyO1ACg==[/tex]高阶的无穷小，而[tex=3.143x1.286]39aqLuzQDVnMdD+FyO1ACg==[/tex]是比[tex=3.857x1.357]F2tEmfskngs7dXkLALPKlr6EaTMJ6EnErTB5uy77/bM=[/tex]高阶的无穷小，则正整数[tex=1.643x1.286]tN2Wc8KYTGnuCfMEsxezlQ==[/tex] A: 1 B: 2 C: 3 D: 4
- 求函数[tex=3.286x1.429]kdT+eIE7CHPynuN6CaN40g==[/tex]（抛物线）隐函数的导数[tex=1.071x1.429]BUw1BPFU3fsJlAl/vt9M9w==[/tex]当x=2与y=4及当x=2与y=0时,[tex=0.786x1.357]Hq6bf3CacUy07X+VImUMaA==[/tex]等于什么?
- 设当 [tex=2.571x1.286]w0efHmbYekU5UTAU4sl3h3lFPiE/AczgZbKj14embCE=[/tex] 时, [tex=9.071x1.286]zs+p6494jqK7p2jW1Pd58qG4wvmJbRN23Bn1l6cbfeI4pepMYNFecyGolvcxkVO7[/tex] 是比 [tex=3.143x1.286]tR/e03xCZnrlGmDTIA0YAHtdSyjqGOjyrWujk8Zapdo=[/tex] 高阶的无穷小, 而 [tex=3.143x1.286]tR/e03xCZnrlGmDTIA0YAHtdSyjqGOjyrWujk8Zapdo=[/tex] 是比 [tex=4.071x1.786]1B/+apu8DEAJAK+YyNWSDcKFDI0sqZaUIVHujodrLz4=[/tex] 高阶的无穷小, 则正整数 [tex=0.643x1.286]ZsZs11iKEvfmzDIurZth8g==[/tex] 等于 A: 1 B: 2 C: 3 D: 4
- 设[tex=0.857x1.286]BQkHOimMmPUuGqQUunHC8A==[/tex]为3阶矩阵，[tex=3.214x1.286]3U/CDVVMlHkd6VVyXosnRm6j7SzKq3agRXsDn+XgJE0=[/tex]，[tex=1.286x1.286]lu4uWYa66M2PWFPLBkRIpLL6cYI3OVgJFRHTeV80dg8=[/tex]为[tex=0.857x1.286]BQkHOimMmPUuGqQUunHC8A==[/tex]的伴随矩阵，若交换[tex=0.857x1.286]BQkHOimMmPUuGqQUunHC8A==[/tex]的第一行与第二行得矩阵[tex=0.786x1.286]vgYnDjxTDHPmLhu0qdEAZw==[/tex]，则|[tex=2.071x1.286]Vtfjo7pnUGBsE9e+JYAWhJNEbgnaucAgvofOAMdthrs=[/tex]|[tex=0.786x0.643]NhuTNiqjImitwKaHFutGOg==[/tex][input=type:blank,size:4][/input]。
- 设随机变量 [tex=0.929x1.286]uswT/CEcOIwMpCvTz/zeaA==[/tex] 服从参数 [tex=3.143x1.286]+YbFeYrJMNsGfJf0KraF7SPelDX5xgqsp9CtXCLBwA8=[/tex] 的指数分布,则 E(X)= [input=type:blank,size:4][/input], D(X) =[input=type:blank,size:4][/input].