If \( f(x) \) defined by \( f(x)=\left\{\begin{array}{cl}\frac{\lef...

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If \( f(x) \) defined by \( f(x)=\left\{\begin{array}{cl}\frac{\left|x^{2}-x\right|}{x^{2}-x}, & x \neq 0,1 \\ 1 & , x=0 \\ -1 & , x=1\end{array}\right. \) then \( f(x) \) is continuous for all
(a) \( x \)
(b) \( x \) except at \( x=0 \)
(c) \( x \) except at \( x=1 \)
(d) \( x \) except at \( x=0 \) and \( x=1 \).
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