cstueb4613 cstueb4613 29-05-2023 Mathematics contestada 8. Consider the following regressions: + B3X3 + u Y=Bo + B1X₁ + B₂X₂ Y = 10 + 1X₁ + 72(X2X1)+73X3 Y=00 +0₁X₁ +0₂X2 + u +03 (X3 + X₁ - 2X₂) + u. (a) Rewrite the hypothesis 1 = 0 in te