To find: The value of .
The limit of the function is 0.
Definition 1: “A function f is continuous at a number a if ”.
Theorem 1: “Any rational function is continuous wherever it is defined”.
Obtain the limit of the function by using the Definition 1.
Let be a rational function in which .
By Theorem 1, the rational function is continuous on the domain .
Moreover, from Definition 1, the limit can be expressed as for continuous function.
Thus, the limit of the function is 0.
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