Determine Whether the Vector U Belongs to the Null Space

question 29

Multiple Choice

Determine whether the vector u belongs to the null space of the matrix A.
- $$\mathbf { u } = \left[ \begin{array} { l } 2 \\3 \\1\end{array} \right] , A = \left[ \begin{array} { r r r } - 2 & 3 & - 5 \\- 3 & - 1 & 9\end{array} \right]$$

• A) Yes
• B) No

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