1.

\[\underset{x\to 0}{\mathop{\lim }}\,\frac{{{e}^{\alpha \ x}}-{{e}^{\beta \ x}}}{x}=\]     [MP PET 1994; DCE 2005]

A.                 \[\alpha +\beta \]
B.                 \[\frac{1}{\alpha }+\beta \]
C.                 \[{{\alpha }^{2}}-{{\beta }^{2}}\]
D.                 \[\alpha -\beta \]
Answer» E.


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