1.

\[\underset{n\to \infty }{\mathop{\lim }}\,{{({{4}^{n}}+{{5}^{n}})}^{1/n}}\]is equal to

A.                 \[4\]
B.                 5
C.                 \[e\]
D.                 None of these
Answer» C.                 \[e\]


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