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5w+13(1-w) = 17
-8w+13=17
-8w = 4
w = -0.5 in rf , so (1-w) = 1.5 in the 13 return portfolio
5(1-w)+13w = 17
5+8w = 17
8w=12
w=1.5 in 13% return
(1-w)=-0.5 in the rf
No difference…

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