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NDA2018MathematicsLimitsActual

What is _ x 6 2 ^2 x+ x-1 2 ^2 x-3 x+1 to?

Options

  1. A-1/2
  2. B-1/3
  3. C-2
  4. D-3

Correct answer

D. -3

Step-by-step solution

_ x 6 ( x+1)(2 x-1) ( x-1)(2 x-1) = 1 2 +1 1 2 -1 =-3

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