1.

\[\underset{x\to 0}{\mathop{\lim }}\,{{\left( \frac{1+5{{x}^{2}}}{1+3{{x}^{2}}} \right)}^{1/{{x}^{2}}}}=\] [IIT 1996; DCE 2001]

A.                 \[{{e}^{2}}\]
B.                 \[e\]
C.                 \[{{e}^{-2}}\]
D.                 \[{{e}^{-1}}\]
Answer» B.                 \[e\]


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