Engineering Board Exam Reviewer · Limits · medium

Evaluate x ∞≤ft(sqrt(x2+3x)-x ).

1. 1.5
2. 0
3. 3
4. 1

Answer

A. 1.5

Solution

Multiply by the conjugate: 3xsqrt(x2+3x)+x= 3sqrt(1+3/x)+1 32.

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