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NDA2020MathematicsLimitsActual

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

Options

  1. A1
  2. B2
  3. C3
  4. D6

Correct answer

D. 6

Step-by-step solution

_ x 1 x+x^2+x^3-3 x-1 This is in 0 0 form, so we can use L' Hospital rule. _ x 1 x+x^2+x^3-3 x-1 = _ x 1 1+2 x+3 x^2 1 = 1+2+3 1 =6

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