Skip to content
Competitive Stats
Q43Section II (Mathematics)43 of 84

Multiplying by an invertible matrix preserves rank

If P is a 3×33\times3 matrix of rank three and A=(123456789)A=\left(\begin{smallmatrix}1&2&3\\4&5&6\\7&8&9\end{smallmatrix}\right), then the rank of PA is:

Options

Pick an option to check your answer.