fun-lim

Related Questions

• Given the function $f(x)=\frac{{{a}^{x}}+{{a}^{-x}}}{2},\ (a>2)$. Then $f(x+y)+f(x-y)=$

  ---

• $\underset{x\to \pi /6}{\mathop{\lim }}\,\left[ \frac{3\sin x-\sqrt{3}\cos x}{6x-\pi } \right]=$

  ---

• $\underset{x\to \pi /2}{\mathop{\lim }}\,\left[ x\tan x-\left( \frac{\pi }{2} \right)\sec x \right]=$

  ---

• If $f(x)={{\log }_{a}}x$ and $F(x)={{a}^{x}}$, then $F[f(x)]$ is

  ---

• $\underset{x\to \infty }{\mathop{\lim }}\,[x({{a}^{1/x}}-1)]$ ,$(a>1)=$

  ---