Linear Algebra, Numpy, Python, Eigenvectors, Determinants.
What we get is an equation like this: Notice, we subtract the second term. The sign keeps alternating. So solving that equation we get: 𝑑𝑒𝑡(𝐴)=1∗(18−45)−6∗(27−40)+3∗(27−16)=−27+78+33=84 One thing to note is the determinant formula is agnostic of what row we choose to start with. Try finding the