$\lim_{x\to1}\left(\frac{\ln\left(x\right)}{2^{\ln\left(x\right)}-x}\right)$

$\frac{d}{dx}2\sqrt{3-x^2}$

$2.718^{10.4}$

$\int\frac{\left(\tan\left(c\right)-1\right)}{\sec^3\left(c\right)}dc$

$\int\frac{\left(3-x\right)}{x\left(x^2+1\right)}dx$

$\lim_{x\to\infty}\left(3xe^{3x}\right)$

$x'=1-t+x-tx$