1.

Let \[f(x)=g(x).\frac{{{e}^{1/x}}-{{e}^{-1/x}}}{{{e}^{1/x}}+{{e}^{-1/x}}}\], where g is a continuous function then \[\underset{x\to 0}{\mathop{\lim }}\,f(x)\] does not exist if

A. g(x) is any constant function
B. g(x)=x
C. \[g(x)={{x}^{2}}\]
D. g(x) = x h (x), where h(x) is a polynomial.
Answer» B. g(x)=x


Discussion

No Comment Found

Related MCQs