What is the value of the limit ?
Answer and explanation
Correct answer: B.
- Step 1: Divide both numerator and denominator by : .
- Step 2: Standard limits: , and .
- 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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