【单选题】
<imgwidth="577"height="30"v:shapes="图片_x0020_99"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image106.png">
【单选题】
独立方程<imgwidth="150"height="58"v:shapes="_x0000_i1118"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image114.png">则基础解系为()
①
<imgwidth="68"height="154"v:shapes="_x0000_i1119"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image116.png">
②
<imgwidth="82"height="154"v:shapes="_x0000_i1120"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image118.png">
③
<imgwidth="82"height="154"v:shapes="_x0000_i1121"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image120.png">
④
<imgwidth="68"height="154"v:shapes="_x0000_i1122"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image122.png">
【单选题】
<imgwidth="409"height="37"v:shapes="图片_x0020_36"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image035.png">
①
<imgwidth="42"height="33"v:shapes="图片_x0020_37"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image036.png">
②
<imgwidth="49"height="43"v:shapes="图片_x0020_38"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image037.png">
③
<imgwidth="51"height="32"v:shapes="图片_x0020_39"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image038.png">
④
<imgwidth="81"height="38"v:shapes="图片_x0020_40"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image039.png">
【单选题】
设向量组<imgwidth="126"height="28"v:shapes="_x0000_i1113"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image136.png">的秩为<imgwidth="14"height="14"v:shapes="_x0000_i1114"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image138.png">,且<imgwidth="46"height="16"v:shapes="_x0000_i1115"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image140.png">,则以下结论中正确的是()
①
<imgwidth="26"height="28"v:shapes="_x0000_i1116"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image126.png">中必有<imgwidth="14"height="14"v:shapes="_x0000_i1117"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image138.png">个向量线性无关,且<imgwidth="26"height="28"v:shapes="_x0000_i1118"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image126.png">中任意<imgwidth="36"height="18"v:shapes="_x0000_i1119"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image142.png">个向量都线性相关
②
<imgwidth="26"height="28"v:shapes="_x0000_i1120"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image126.png">中任意<imgwidth="14"height="14"v:shapes="_x0000_i1121"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image138.png">个向量都线性相关
③
<imgwidth="26"height="28"v:shapes="_x0000_i1122"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image126.png">中任意<imgwidth="14"height="14"v:shapes="_x0000_i1123"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image138.png">个向量都是<imgwidth="26"height="28"v:shapes="_x0000_i1124"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image126.png">的最大无关组
④
<imgwidth="26"height="28"v:shapes="_x0000_i1125"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image143.png">中任意一个向量都可由该组中其他任意<imgwidth="14"height="14"v:shapes="_x0000_i1126"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds03.files/image144.png">个向量线性表示
【单选题】
<imgwidth="487"height="37"v:shapes="图片_x0020_162"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds02.files/image168.png">
【单选题】
<imgwidth="254"height="27"v:shapes="图片_x0020_196"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image195.png">
①
<imgwidth="67"height="32"v:shapes="图片_x0020_197"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image196.png">
②
<imgwidth="19"height="22"v:shapes="图片_x0020_198"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image197.png">
③
<imgwidth="84"height="36"v:shapes="图片_x0020_199"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image198.png">
④
<imgwidth="97"height="34"v:shapes="图片_x0020_200"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image199.png">
【单选题】
<imgwidth="234"height="33"v:shapes="图片_x0020_116"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image114.png">
①
<imgwidth="237"height="34"v:shapes="图片_x0020_117"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image115.png">
②
<imgwidth="66"height="25"v:shapes="图片_x0020_118"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image116.png">
③
<imgwidth="249"height="21"v:shapes="图片_x0020_119"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image117.png">
④
<imgwidth="201"height="27"v:shapes="图片_x0020_120"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds01.files/image118.png">
【单选题】
<imgwidth="538"height="87"v:shapes="图片_x0020_1"src="http://wljy.whut.edu.cn/uploadfiles/word/xxdsb07.files/image244.jpg">
【单选题】
若方程组<imgwidth="166"height="58"v:shapes="_x0000_i1174"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image210.png">(系数均不为零)的基础解系含有两个解向量,则()
①
<imgwidth="86"height="58"v:shapes="_x0000_i1175"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image212.png">
②
<imgwidth="86"height="58"v:shapes="_x0000_i1176"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image214.png">
③
<imgwidth="122"height="28"v:shapes="_x0000_i1177"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image216.png">
④
<imgwidth="98"height="52"v:shapes="_x0000_i1178"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds04.files/image218.png">
【单选题】
二次型<imgwidth="246"height="28"v:shapes="_x0000_i1258"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image271.png">标准型为()
①
<imgwidth="126"height="46"v:shapes="_x0000_i1259"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image273.png">
②
<imgwidth="126"height="46"v:shapes="_x0000_i1260"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image275.png">
③
<imgwidth="122"height="28"v:shapes="_x0000_i1261"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image277.png">
④
<imgwidth="130"height="46"v:shapes="_x0000_i1262"src="http://wljy.whut.edu.cn/uploadfiles/word/xxds05.files/image279.png">