Let $f: X \rightarrow \mathbb{R}$ be continuous functions, where ($X, \tau$) is a topological space and $\mathbb{R}$ is given the standard topology.

a)Show that the function $f \cdot g : X \rightarrow \mathbb{R}$,defined by\\

$(f \cdot g)(x) = f(x)g(x)$\\

is continuous.\\

b)Let $h: X \setminus \{x \in X | g(x) = 0\}\rightarrow \mathbb{R}$ be defined by\\

$h(x) = \frac{f(x)}{g(x)}$.\\

Show that $h$ is continuous.\\

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