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\(\lim\limits_{x \to a}\frac{\sqrt x+\sqrt a}{x+a}=?\)

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Best answer

\(\lim\limits_{x \to a}\frac{\sqrt x+\sqrt a}{x+a}\) 

\(=\frac{\sqrt a+\sqrt a}{a+a}\) 

\(=\frac{2\sqrt a}{2a}\) 

\(=\frac{\sqrt a}{a}\) 

\(=\frac{1}{\sqrt a}\)

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