11. Taking constants out of Variance and Covariance (optional)

Taking a Constant out of the Variance Operator

Note : there is a typo in the video (and screenshot). All the betas should be $\beta_{i,1}$ . So there's one instance on the second to last line that is written as $\beta_{i,2}$ , but should be $\beta_{i,1}$

Rewriting the Formula for Asset Variance