What is the value of the limit ?

Answer and explanation

Correct answer: B.

  1. Step 1: Divide both numerator and denominator by : .
  2. Step 2: Standard limits: , and .
  3. Step 3: Compute the ratio of the two limits: .
Answer
.
Why not the others: inverts the ratio; assumes coefficients cancel; omits the factor of in .

Practise more Limits, continuity and differentiability.

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