Find .
Answer and explanation
Correct answer: A.
- Step 1: Divide the numerator and denominator by x^2: (6 + 4/x) / (3 + 7/x^2).
- Step 2: The terms 4/x and 7/x^2 tend to 0, so the limit is 6/3 = 2.
Answer
.
Why not the others: The limit is the ratio of leading coefficients; the ratio of the low-degree terms, infinity and zero come from comparing the wrong terms.
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