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COMEDK2020MathematicsLimits

_ x 1 (x²-1 ) x-1 is equal to

Options

  1. A1 2
  2. B2
  3. C-1 2
  4. D-2

Correct answer

B. 2

Step-by-step solution

We have, aligned _ x 1 & (x²-1 ) x-1 &= _ x 1 ² (x²-1 ) 2 x 1 [using L'Hospital Rule] &=2 ² 0=2 aligned

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