Let \( f(x)=\left\{\begin{array}{cc}\frac{x^{3}+x^{2}-16 x+20}{(x-2...

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Let \( f(x)=\left\{\begin{array}{cc}\frac{x^{3}+x^{2}-16 x+20}{(x-2)^{2}} & , \text { if } x \neq 2 \\ k & , \text { if } x=2\end{array}\right. \)
If \( f(x) \) be continuous for all \( x \), then \( k= \)
(a) 7
(b) \( -7 \)
(c) \( \pm 7 \)
(d) 14
\( \mathrm{P} \)
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