Practice problem
A=[336x22x15]A=\begin{bmatrix}3&3&6\\x&2&2\\x&1&5\end{bmatrix}A=3xx321625 and det(A)=42\det(A)=42det(A)=42. Find xxx.
−65-\frac65−56
−3-3−3
32\frac3223
000
Type a concept, like “slope” or “photosynthesis”.
