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A consumer generally buys 2 goods, good A and a composite good B. The function that...

A consumer generally buys 2 goods, good A and a composite good B. The function that represents utility is U(A,B) = ln(3AB). The price of good A is PA and the price of good B is PB, and also income is represented by I. What is the demand equation for good A? and are A and B compliments or substitutes?

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