Consider two assets with expected return E(r1)=0.37, E(r2)=0.47; with variances ₁²=0.11, ₂²=0.29 and covariance ₁₂=0.19 . The risk free rate is 0.12. Find the normalized weight w₁ and w₂ of the efficient portfolio (the tangency portfolio) of risky assets.