Let $\displaystyle f(x) = %0$.
Then $f(x)$ has a RADIO singularity at $x = %1$.
What, if any, value of $f(a)$ would make $f$ continuous at $a$?
Enter
dne
if there is no possible value.
$\displaystyle f(x) = %0\ ; \ \ \ \ a = %1 \ \ \ \ f(%1) = $ BOX
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