What are slack variables in linear programming constraints

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1.What are the isrm standard for uniaxial tensile stress , ucs ,punch shear test and point load test for testing a rock sample

2.What is a dummy activity and slack activity and also what are slack variables in linear programming constraints equation

3.For a cantilever beam 20 ft long under a uniformly distributed load of 500 pounds/foot, calculate the deflection v and the slope dv/dx as a function of x by integrating differential equations.

Reference no: EM13563670

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