What is the value of ?
Answer and explanation
Correct answer: B.
- Step 1: For limits at infinity of rational functions with equal degrees in numerator and denominator, divide by the highest power .
- Step 2: The limit equals the ratio of leading coefficients: .
Answer
.
Why not the others: '0' applies when denominator degree is higher; '' applies when numerator degree is higher; '' uses constant terms.
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