已知向量组(Ⅰ)：[tex=1.071x1.286]pWE6wju4u8fPNU7ACnOUQHLeZNVAdSH/I6vNZLZGzWg=[/tex]，[tex=1.071x1.286]JGq/5/Kh4u/M938ZQm31Chbw+GLwp2eDbQ5S+yzPRr0=[/tex]，[tex=1.071x1.286]UXqxuREAJBGsvAILiAPouak3R42ZYLRYRDS+UrrM1J0=[/tex]；(Ⅱ)：[tex=1.071x1.286]pWE6wju4u8fPNU7ACnOUQHLeZNVAdSH/I6vNZLZGzWg=[/tex]，[tex=1.071x1.286]JGq/5/Kh4u/M938ZQm31Chbw+GLwp2eDbQ5S+yzPRr0=[/tex]，[tex=1.071x1.286]UXqxuREAJBGsvAILiAPouak3R42ZYLRYRDS+UrrM1J0=[/tex]，[tex=1.071x1.286]aYbv6eCiEgc2XuIKnpB58n0Z5WWyWfmZ3+2BaOGtS2M=[/tex]；和(Ⅲ)：[tex=1.071x1.286]pWE6wju4u8fPNU7ACnOUQHLeZNVAdSH/I6vNZLZGzWg=[/tex]，[tex=1.071x1.286]JGq/5/Kh4u/M938ZQm31Chbw+GLwp2eDbQ5S+yzPRr0=[/tex]，[tex=1.071x1.286]UXqxuREAJBGsvAILiAPouak3R42ZYLRYRDS+UrrM1J0=[/tex]，[tex=1.071x1.286]EKM5dkWdu/Omh1L14pE1cUwDjbxI7m7Xu3SyQ45qSw0=[/tex]．如果各向量组的秩分别为秩(Ⅱ)[tex=0.786x1.286]rj6W22mVYNX/YbwkMquVUw==[/tex]秩(Ⅱ)[tex=1.571x1.286]xPxHspfEVLiX53VbgCuNSA==[/tex]，秩(Ⅲ)[tex=1.571x1.286]kkHQLqaVxc3ZtQo9JAFiEA==[/tex]，证明：向量组[tex=1.071x1.286]pWE6wju4u8fPNU7ACnOUQHLeZNVAdSH/I6vNZLZGzWg=[/tex]，[tex=1.071x1.286]JGq/5/Kh4u/M938ZQm31Chbw+GLwp2eDbQ5S+yzPRr0=[/tex]，[tex=1.071x1.286]UXqxuREAJBGsvAILiAPouak3R42ZYLRYRDS+UrrM1J0=[/tex]，[tex=3.286x1.286]GZGPt+7Y5RJqODKSxp8Zkv/URzsl+ajWKjSTqTXlfrs=[/tex]的秩为4

设向量组[tex=1.071x1.286]pWE6wju4u8fPNU7ACnOUQHLeZNVAdSH/I6vNZLZGzWg=[/tex]，[tex=1.071x1.286]JGq/5/Kh4u/M938ZQm31Chbw+GLwp2eDbQ5S+yzPRr0=[/tex]，[tex=1.143x1.286]PZ3wc82RrbgX5KwVcyJcmA==[/tex]，[tex=0.929x1.286]Ff8PJr0vif92Cy4pi5zjsXNsBLAtsgBLgvGGr1gK+KY=[/tex]与向量组[tex=1.071x1.286]pWE6wju4u8fPNU7ACnOUQHLeZNVAdSH/I6vNZLZGzWg=[/tex]，[tex=1.071x1.286]JGq/5/Kh4u/M938ZQm31Chbw+GLwp2eDbQ5S+yzPRr0=[/tex]，[tex=1.143x1.286]PZ3wc82RrbgX5KwVcyJcmA==[/tex]，[tex=0.929x1.286]Ff8PJr0vif92Cy4pi5zjsXNsBLAtsgBLgvGGr1gK+KY=[/tex]，[tex=1.857x1.286]BfplC3qdmMIuR9ktapG5oimLVgqI3Q2kb4TqtCnVJ9k=[/tex]，[tex=1.143x1.286]PZ3wc82RrbgX5KwVcyJcmA==[/tex]，[tex=1.0x1.286]K7Gmg5Cgo+HS/qEv7bZhTFh2fUxkbcP/SryOO1HoJnA=[/tex]有相同的秩，证明：[tex=1.071x1.286]pWE6wju4u8fPNU7ACnOUQHLeZNVAdSH/I6vNZLZGzWg=[/tex]，[tex=1.071x1.286]JGq/5/Kh4u/M938ZQm31Chbw+GLwp2eDbQ5S+yzPRr0=[/tex]，[tex=1.143x1.286]PZ3wc82RrbgX5KwVcyJcmA==[/tex]，[tex=0.929x1.286]Ff8PJr0vif92Cy4pi5zjsXNsBLAtsgBLgvGGr1gK+KY=[/tex]与[tex=1.071x1.286]pWE6wju4u8fPNU7ACnOUQHLeZNVAdSH/I6vNZLZGzWg=[/tex]，[tex=1.071x1.286]JGq/5/Kh4u/M938ZQm31Chbw+GLwp2eDbQ5S+yzPRr0=[/tex]，[tex=1.143x1.286]PZ3wc82RrbgX5KwVcyJcmA==[/tex]，[tex=0.929x1.286]Ff8PJr0vif92Cy4pi5zjsXNsBLAtsgBLgvGGr1gK+KY=[/tex]，[tex=1.857x1.286]BfplC3qdmMIuR9ktapG5oimLVgqI3Q2kb4TqtCnVJ9k=[/tex]，[tex=1.143x1.286]PZ3wc82RrbgX5KwVcyJcmA==[/tex]，[tex=1.0x1.286]K7Gmg5Cgo+HS/qEv7bZhTFh2fUxkbcP/SryOO1HoJnA=[/tex]等价．

某企业发行普通股正常市价为48元，估计年增长率为[tex=1.786x1.286]f7uV5w7yKIwGyEF/yOL1rg==[/tex]，第一年预计发放股利2元，筹资费用率为股票市价的[tex=1.786x1.286]8lHCgOBfm9m7Uj4N/Y2Pwg==[/tex]，企业所得税率为[tex=1.786x1.286]DcUJgC5otdxj4fxmaQusQw==[/tex]，则发行普通股的资金成本率为（　）。 未知类型：{'options': ['[tex=3.071x1.286]cPopgjQkSIHYYzgrLV7M6Q==[/tex]', '[tex=3.071x1.286]OeLHMFrwb9jRhyMvkX/jgQ==[/tex]', '[tex=3.071x1.286]YYrv0cVx8ZghW/yJY0LhVA==[/tex]', '[tex=3.071x1.286]PN/dD4o76zZR0sKxdd+uDg==[/tex]'], 'type': 102}