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Cov(r1.n) Cov(r1,)] _ [10 11 Cov(m2,n) Cov(n2.ra)] 14] 1. Var(ri) 2. Var(ra) 3. Var(r1 +r2) | 4. Var (3 + 2r1 + 3r2) = 5.
Cov(r1.n) Cov(r1,)] _ [10 11 Cov(m2,n) Cov(n2.ra)] 14] 1. Var(ri) 2. Var(ra) 3. Var(r1 +r2) | 4. Var (3 + 2r1 + 3r2) = 5. Cov(r 12,71) = 6. Cov(r1, 74.71 +r2) = 7. Cov(-10,71 +r2) =
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