_ x 0 ( 1+5 x^ 2 1+3 x^ 2 )^ 1 / x^ 2 is equal to
Mathematics · JEE Main · NTA Exams — Limit, Continuity and Differentiability
\[\lim _{x \rightarrow 0}\left(\frac{1+5 x^{2}}{1+3 x^{2}}\right)^{1 / x^{2}}\]is equal to
- e
- e1/2
- e–2
- none of these
Answer
(D) none of these
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