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-- Mathematics - Section B1
Continuity and Differentiability
The set of points of discontinuity of the function $f(x)=\frac{1}{\log |x|}$, is
{0}
{-1, 1}
{-1, 0, 1}
none of these
Clearly, f(x) is not defined at x = 0, 1, -1.
At all other points f(x) is continuous. Hence, required set is {-1, 0, 1}.