0 votes
4
0 votes
5
0 votes
9
1 votes
10
1 votes
26
The rank of the matrix$\begin{bmatrix} 1 &2 &3 &4 \\ 5& 6 & 7 & 8 \\ 6 & 8 & 10 & 12 \\ 151 & 262 & 373 & 484 \end{bmatrix}$$1$$2$$3$$4$
7 votes
27
If $A =\begin{bmatrix} 2 &i \\ i & 0 \end{bmatrix}$ , the trace of $A^{10}$ is$2$$2(1+i)$$0$$2^{10}$