The function f(x)= x is discontinuous on the set - Vidyadip

Question

The function $f(x)=\cot x$ is discontinuous on the set

✓

Answer

(a) : $f(x)=\cot x$ is discontinuous if $\cot x \rightarrow \infty$
$\Rightarrow \cot x=\cot 0 \Rightarrow x=n \pi \forall n \in Z$.

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