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maximize 10 ln(x) + 7 – x^2 - 0.8y^2 + 1.3 xy + 4.8y on 10 ln(x) + 7 – x^2 - 0.8y^2 + 1.3 xy>0
maximize 10 ln(x) + 7 – x^2 - 0.8y^2 + 1.3 xy + 4.8y on 10 ln(x) + 7 – x^2 - 0.8y^2 + 1.3 xy>0
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