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Manipal MET2013MathematicsLinear Programming

If the point (a, a) are placed in between the lines |x+y|=4 then

Options

  1. A|a|=2
  2. B|a|=3
  3. C|a| 2
  4. D|a| 3

Correct answer

C. |a| 2

Step-by-step solution

Lines x+y=4 and x+y=-4 are parallel and points (2,2) and (-2,-2) lie on these lines. If point (a, a) lies between the lines then a -2 and a 2 i.e.,

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