i) फलन \( f(x)=\left\{\begin{array}{cc}\frac{|x-3|}{x-3}, & x \neq 3 \\ 0, x=3\end{array}\right....

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i) फलन \( f(x)=\left\{\begin{array}{cc}\frac{|x-3|}{x-3}, & x \neq 3 \\ 0, x=3\end{array}\right. \) के लिए \( x=3 \) पर सांतत्य का परीक्षण कीजिए।
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