Let A be an 10 × 6 matrix, and rank(A) = 3, thenwe have ( ).
A、 rank(AT ) = 6.;
B、 dim(N(AT )) = 6.;
C、 dim(N(A)) = 3.;
D、 dim(N(AT )) = 3.
发布时间：2025-06-27 19:32:18
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答案：dim(N(A)) = 3.
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