若A是m×n矩阵,Ax=0是非齐次线性方程组Ax=b所对应的导出组,则下列结论正确的是()。
A.若Ax=0仅有零解,则Ax=b有唯一解
B.若Ax=0有非零解,则Ax=b有无穷多个解
C.若Ax=b有无穷多个解,则Ax=0仅有零解
D.若Ax=b有无穷多个解,则Ax=0有非零解
正确答案是D
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