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NDA2014MathematicsLimitsActual

What is _ x 0 x 1- x equal to?

Options

  1. A2
  2. B- 2
  3. C1 2
  4. DLimit does not exist

Correct answer

A. 2

Step-by-step solution

aligned & _ x 0 x 1- x 1+ x 1+ x & = _ x 0 x( 1+ x ) 1- ^2 x = _ x 0 x (1+ x) x & = _ x 0 x x _ x 0 1+1 =1 2 = 2 . aligned

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