Limit at Infinity with Square Root in the Numerator
Calculus
This video shows how to find the limit at infinity of an expression with square root in the numerator.
It should be noted that there is another technique you can use to arrive at the same answer. Divide the the numerator and the denominator by the highest power of x appearing in the denominator. In the given exercise, it is x. Use the fact that x can be written as square root of x squared. When you divide each term of the radicand in the numerator by x squared, do not forget to put a negative sign before the square root symbol. Keep in mind that you are solving for a limit where x approaches negative infinity.
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