Multiple choice

For solving an LPP by Simplex Method, it is necessary that all unrestricted variables are first replaced by non-negative variables.

  1. TRUE

  2. FALSE
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A Correct answer
Explanation

The simplex method requires all decision variables to be non-negative. Unrestricted variables (which can be positive or negative) must be converted by expressing each as the difference of two non-negative variables: x = x' - x''.

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