Which ones are invalid for use in an lp problem and why

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Reference no: EM13251371

The mathematical relationships that follow were formulated by an operations research analyst at the Smith-Lawton Chemical Company. Which ones are invalid for use in an LP problem and why?

Maximize profit = 4X1 + 3X1X2 + 8X2 + 5X3

subject to 2X1 + X2+ 2X3 ? 50
X1 - X2 ? 50
1.5X12 + 6X23X2 ? 21
19X2 - 0.35X3 = 17
5X1 + 4X2 + ? X3 ? 80
-X - X2 + X3 = 5

Reference no: EM13251371

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