\[\frac{1}{1.2}+\frac{1.3}{1.2.3.4}+\frac{1.3.5}{1.2.3.4.5.6}+....\infty =\]

\[\frac{1}{1.2}+\frac{1.3}{1.2.3.4}+\frac{1.3.5}{1.2.3.4.5.6}+....\inf

1.	\[\frac{1}{1.2}+\frac{1.3}{1.2.3.4}+\frac{1.3.5}{1.2.3.4.5.6}+....\infty =\]
A.	\[\sqrt{e}\]
B.	\[\sqrt{e}+1\]
C.	\[\sqrt{e}-1\]
D.	\[e-1\]
Answer» D. \[e-1\]

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\[\frac{1}{1.2}+\frac{1.3}{1.2.3.4}+\frac{1.3.5}{1.2.3.4.5.6}+....\infty =\]

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