Question: By considering the formulas for the expected return (p) and standard deviation (p) of a portfolio with x invested in the market asset and 1

By considering the formulas for the expected return (p) and standard deviation (p) of a portfolio with x invested in the market asset and 1 x invested in the risk-free asset, show that it is possible to write: p = pE(rM rf) p + rf . (8 marks)
a) By considering the formulas for the expected return (up) and standard deviation (op) of a portfolio with x invested in the market asset and 1 x invested in the risk-free asset, show that it is possible to write: o E(rm rt) +re Mp Op (8 marks)
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