If A = \(\begin{bmatrix}3 & 4\\6 & 8 \end{bmatrix}\), then what can be said about 18 \( { A }^{ -1 } \)?
Answer & explanation
Correct answer: option 4
A = \(\begin{bmatrix}3 & 4\\6 & 8 \end{bmatrix}\),
|A| = 0
So, \( { A }^{ -1 } \) does not exist
If A = \(\begin{bmatrix}3 & 4\\6 & 8 \end{bmatrix}\), then what can be said about 18 \( { A }^{ -1 } \)?
Correct answer: option 4
A = \(\begin{bmatrix}3 & 4\\6 & 8 \end{bmatrix}\),
|A| = 0
So, \( { A }^{ -1 } \) does not exist