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Manipal MET2011MathematicsLimits

_ x 1 (2 x-3)( x -1) 2 x^2+x-3 is equal to

Options

  1. A-1 / 10
  2. B1 / 10
  3. C-1 / 8
  4. DNone of these

Correct answer

A. -1 / 10

Step-by-step solution

aligned & _ x 1 (2 x-3)( x -1) 2 x^2+x-3 &= _ x 1 (2 x-3)( x -1) (2 x+3)(x-1) & _ x 1 (2 x-3) (2 x+3)( x +1) & = 2-3 (2+3)( 1 +1) =- 1 10 aligned

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