\(\displaystyle\lim_{x \rightarrow 0} \dfrac{\sqrt{1+x}-\sqrt{1-x}}{x}\) is given by

\(\displaystyle\lim_{x \rightarrow 0} \dfrac{\sqrt{1+x}-\sqrt{1-x}}{x}

1.	\(\displaystyle\lim_{x \rightarrow 0} \dfrac{\sqrt{1+x}-\sqrt{1-x}}{x}\) is given by
A.	0
B.	–1
C.	1
D.	\(\frac{1}{2}\)
Answer» D. \(\frac{1}{2}\)

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\(\displaystyle\lim_{x \rightarrow 0} \dfrac{\sqrt{1+x}-\sqrt{1-x}}{x}\) is given by

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