## Microeconomics - Utility function and price-consumption curve

There are a consumer whose utility function is $u=x_1^{1/2}x_2^{1/2}$. The prices are $p_1=3$ and $p_2=4$, and the income 90 accounting units. If the price of the first good increases to six units, obtain the price-consumption curve and the demand curve.

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