Question 03 Consider the regression of y on X1 and X2: y=XB1 + X2 B2 + u nx1 nxk₁ k₁x1 nxk2 k₂x1 nx1 Also consider another regression of y on X2: nx1 y = X2 82 + v. nxk₂ k₂x1 nx1 (1) (2) Does the SSR of model (1) equal to SSR of model (2)? If not, what condition(s) must be satisfied to equalize?