Evaluate .
Answer and explanation
Correct answer: B. 10
- Step 1: Factorise: .
- Step 2: Cancel : the limit is .
Answer
10.
Why not the others: 5: after factorising, was replaced by . 25: the numerator was evaluated directly. 0: the numerator is zero but so is the denominator, so the limit has to be simplified first.
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